Bump karma from 6.2.0 to 6.3.1

Bumps [karma](https://github.com/karma-runner/karma) from 6.2.0 to 6.3.1.
- [Release notes](https://github.com/karma-runner/karma/releases)
- [Changelog](https://github.com/karma-runner/karma/blob/master/CHANGELOG.md)
- [Commits](https://github.com/karma-runner/karma/compare/v6.2.0...v6.3.1)
Signed-off-by: dependabot[bot] <support@github.com>

yarn.lock

@@ -5171,9 +5171,9 @@ karma-sinon@^1.0.5:
   integrity sha1-TjRD8oMP3s/2JNN0cWPxIX2qKpo=
 
 karma@^6.0.1:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/karma/-/karma-6.2.0.tgz#5302ca36390b146f635b3427982afe0a94c72ff7"
-  integrity sha512-pCB8eNxGgdIdZeC885rbhZ/VyuOPNHUIDNL9EaaMf1NVzpvTjMO8a7zRTn51ZJhOOOxCSpalUdT1A8x76LyVqg==
+  version "6.3.1"
+  resolved "https://registry.yarnpkg.com/karma/-/karma-6.3.1.tgz#88f41e0c8b1784fa0bfaf7b1921ea69a4c6aeb4b"
+  integrity sha512-Is71g0f1dIpbLTXA+ULpev1i1soczQ1Dr8oum3zSmBFsDl3IWUlTLytsCb9os4v9xvUVWGDz0sCmLO4veANnSw==
   dependencies:
     body-parser "^1.19.0"
     braces "^3.0.2"