Visual change: CopyIcon is now proportional with text in button (icon
is smaller)

Visual change: Link hover is `brand` instead of `brand-dark` to match
conventional color combinations.

Visual change: font in button to expand and collapse excerpt is now
semi-bold, which matches all of our other buttons.

Simplify internal components (remove `HeaderRow` local component).

Visual change: hover on expand-replies is `brand` instead of
`brand-dark`—this is a standard hover color for a light-colored link.

Ensure that hovered annotations are cleared in the store when `null` is
passed to `FrameSyncService.hoverAnnotations`.

Following https://github.com/hypothesis/client/pull/4962, we can now identify
annotations that should be scrolled to/focused after they anchor by their tag
rather than ID, since the annotation in the sidebar's store persists across the
chapter navigation.

When a user hovers an annotation card for an EPUB chapter that is different than
the one currently loaded in the guest, and then clicks on that annotation to
navigate the guest to that chapter, ensure that the highlights in the document
are displayed in a hovered state once anchoring completes.

This is handled similar to `FrameSyncService.scrollToAnnotation`, by setting a
flag if the annotation is not loaded in the guest, which triggers a
"hoverAnnotations" RPC call once the annotation is anchored.

This information is not currently displayed in the UI, but it is captured with
annotations in the `EPUBContentSelector` selector.

Per feedback at
https://github.com/hypothesis/client/pull/4944#pullrequestreview-1178131884, try
to make `create-store.ts` easier to scan by moving some of the typing-related
utilities into a separate module.

In particular, improve the documentation for properties of the `ModuleConfig`
object which is passed to `createStoreModule`.

This module contains the most complex types in the codebase, so this is
useful as a reference for how to handle more complex cases.

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.19.6 to 7.20.2.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.20.2/packages/babel-core)

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Bumps [tailwindcss](https://github.com/tailwindlabs/tailwindcss) from 3.2.2 to 3.2.4.
- [Release notes](https://github.com/tailwindlabs/tailwindcss/releases)
- [Changelog](https://github.com/tailwindlabs/tailwindcss/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tailwindlabs/tailwindcss/compare/v3.2.2...v3.2.4)

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Bumps [sass](https://github.com/sass/dart-sass) from 1.56.0 to 1.56.1.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sass/dart-sass/compare/1.56.0...1.56.1)

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Bumps [postcss](https://github.com/postcss/postcss) from 8.4.18 to 8.4.19.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](https://github.com/postcss/postcss/compare/8.4.18...8.4.19)

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Bumps [chai](https://github.com/chaijs/chai) from 4.3.6 to 4.3.7.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/4.x.x/History.md)
- [Commits](https://github.com/chaijs/chai/compare/v4.3.6...v4.3.7)

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Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.1243.0 to 2.1253.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Changelog](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-js/compare/v2.1243.0...v2.1253.0)

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Bumps [@typescript-eslint/eslint-plugin](https://github.com/typescript-eslint/typescript-eslint/tree/HEAD/packages/eslint-plugin) from 5.41.0 to 5.42.1.
- [Release notes](https://github.com/typescript-eslint/typescript-eslint/releases)
- [Changelog](https://github.com/typescript-eslint/typescript-eslint/blob/main/packages/eslint-plugin/CHANGELOG.md)
- [Commits](https://github.com/typescript-eslint/typescript-eslint/commits/v5.42.1/packages/eslint-plugin)

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Bumps [@sentry/browser](https://github.com/getsentry/sentry-javascript) from 7.17.4 to 7.19.0.
- [Release notes](https://github.com/getsentry/sentry-javascript/releases)
- [Changelog](https://github.com/getsentry/sentry-javascript/blob/master/CHANGELOG.md)
- [Commits](https://github.com/getsentry/sentry-javascript/compare/7.17.4...7.19.0)

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Bumps [@npmcli/arborist](https://github.com/npm/cli/tree/HEAD/workspaces/arborist) from 6.1.1 to 6.1.2.
- [Release notes](https://github.com/npm/cli/releases)
- [Changelog](https://github.com/npm/cli/blob/latest/workspaces/arborist/CHANGELOG.md)
- [Commits](https://github.com/npm/cli/commits/arborist-v6.1.2/workspaces/arborist)

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Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.19.4 to 7.20.2.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.20.2/packages/babel-preset-env)

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In the future, the `NavigationButton` pattern should be extracted

Special CSS class is no longer needed (removed).

Introduce the concept of "persistent" frames in the sidebar. This is a flag
which can be set on a `Frame` in the sidebar's store to prevent annotations from
being unloaded when the associated guest unloads. This flag is set in response
to a hint provided by the `Guest` in its `documentInfoChanged` message. The
guest in turn gets this hint via `Integration.persistFrame`, which returns true
for VitalSource content frames.

Marking VitalSource content frames as persistent prevents the book's annotations
from being unloaded after a chapter navigation, when the old guest goes away,
and then the same set of annotations immediately being re-fetched from the
server when the new guest connects. This reload of annotations looked ugly but
also lost the user's scroll position in the sidebar. With this change the
sidebar retains the annotations during a chapter navigation and just re-sends
the appropriate ones to the new guest when it connects.

This type is for a message sent from the guest to the sidebar, so it
belongs with other shared types.

Add missing period.
Co-authored-by: Lyza Gardner <439947+lyzadanger@users.noreply.github.com>

Rewrite the description of this service to state that annotations are
synchronized between the sidebar and _guest_ frames, not the host. Also note
some (but not all) of the service's additional responsibilities. In the process
it becomes clear that the service is tending towards being a little overloaded
and it may make sense to split up some of these roles in future.