Bump nanoid and mocha (#492)

Bumps [nanoid](https://github.com/ai/nanoid) to 3.3.8 and updates ancestor dependency [mocha](https://github.com/mochajs/mocha). These dependencies need to be updated together.


Updates `nanoid` from 3.3.7 to 3.3.8
- [Release notes](https://github.com/ai/nanoid/releases)
- [Changelog](https://github.com/ai/nanoid/blob/main/CHANGELOG.md)
- [Commits](ai/nanoid@3.3.7...3.3.8)

Updates `mocha` from 10.2.0 to 10.8.2
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.2.0...v10.8.2)

---
updated-dependencies:
- dependency-name: nanoid
  dependency-type: indirect
- dependency-name: mocha
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -43,7 +43,7 @@
     "mdast-util-mdx": "3.0.0",
     "micromark-extension-mdxjs": "3.0.0",
     "minimist": "1.2.8",
-    "mocha": "10.2.0",
+    "mocha": "10.8.2",
     "rehype-stringify": "10.0.0",
     "remark": "^15.0.1",
     "remark-parse": "11.0.0",