Bump postcss from 8.4.48 to 8.4.49

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.48 to 8.4.49.
- [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/8.4.48...8.4.49)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -11600,13 +11600,13 @@ __metadata:
   linkType: hard
 
 "postcss@npm:^8.0.3, postcss@npm:^8.4.23":
-  version: 8.4.48
-  resolution: "postcss@npm:8.4.48"
+  version: 8.4.49
+  resolution: "postcss@npm:8.4.49"
   dependencies:
     nanoid: ^3.3.7
     picocolors: ^1.1.1
     source-map-js: ^1.2.1
-  checksum: 9bf75be1b45aa31f24b5f2ba2d9cf3021a788c3dd41d4d0491f4e2d7f9fe3329eb5e7b76ad96e2490ed1ebfeec0e484dc49cdef0071da2575d009c1dde5f8923
+  checksum: eb5d6cbdca24f50399aafa5d2bea489e4caee4c563ea1edd5a2485bc5f84e9ceef3febf170272bc83a99c31d23a316ad179213e853f34c2a7a8ffa534559d63a
   languageName: node
   linkType: hard