Bump shaka-player from 4.2.0 to 4.2.1

Bumps [shaka-player](https://github.com/shaka-project/shaka-player) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/shaka-project/shaka-player/releases)
- [Changelog](https://github.com/shaka-project/shaka-player/blob/v4.2.1/CHANGELOG.md)
- [Commits](https://github.com/shaka-project/shaka-player/compare/v4.2.0...v4.2.1)

---
updated-dependencies:
- dependency-name: shaka-player
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -18,7 +18,7 @@
         "hotkeys-js": "^3.9.5",
         "javascript-time-ago": "^2.5.7",
         "mux.js": "^6.2.0",
-        "shaka-player": "4.2.0",
+        "shaka-player": "4.2.1",
         "stream": "^0.0.2",
         "vue": "^3.2.38",
         "vue-i18n": "^9.2.2",