Bump diff and sinon

Bumps [diff](https://github.com/kpdecker/jsdiff) to 5.2.2 and updates ancestor dependencies [diff](https://github.com/kpdecker/jsdiff) and [sinon](https://github.com/sinonjs/sinon). These dependencies need to be updated together.


Updates `diff` from 5.2.0 to 5.2.2
- [Changelog](https://github.com/kpdecker/jsdiff/blob/master/release-notes.md)
- [Commits](kpdecker/jsdiff@v5.2.0...v5.2.2)

Updates `diff` from 4.0.2 to 4.0.4
- [Changelog](https://github.com/kpdecker/jsdiff/blob/master/release-notes.md)
- [Commits](kpdecker/jsdiff@v5.2.0...v5.2.2)

Updates `sinon` from 20.0.0 to 21.0.1
- [Release notes](https://github.com/sinonjs/sinon/releases)
- [Changelog](https://github.com/sinonjs/sinon/blob/main/docs/changelog.md)
- [Commits](sinonjs/sinon@v20.0.0...v21.0.1)

---
updated-dependencies:
- dependency-name: diff
  dependency-version: 5.2.2
  dependency-type: indirect
- dependency-name: diff
  dependency-version: 4.0.4
  dependency-type: indirect
- dependency-name: sinon
  dependency-version: 21.0.1
  dependency-type: direct:development
...

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

Author: dependabot[bot]

package-lock.json

@@ -67,7 +67,7 @@
         "raw-loader": "^4.0.2",
         "sass": "1.67.0",
         "sass-loader": "13.3.2",
-        "sinon": "^20.0.0",
+        "sinon": "^21.0.1",
         "stream-browserify": "^3.0.0",
         "style-loader": "^3.3.3",
         "terser-webpack-plugin": "^5.3.9",