Bump coverallsapp/github-action in the dependencies group

Bump coverallsapp/github-action in the dependencies group

Bumps the dependencies group with 1 update: [coverallsapp/github-action](https://github.com/coverallsapp/github-action).

Updates `coverallsapp/github-action` from 2.3.7 to 2.3.8
- [Release notes](https://github.com/coverallsapp/github-action/releases)
- [Commits](https://github.com/coverallsapp/github-action/compare/5cbfd81b66ca5d10c19b062c04de0199c215fb6e...8d6379e14d29928660c4ba802d8e85393440b329)

---
updated-dependencies:
- dependency-name: coverallsapp/github-action
  dependency-version: 2.3.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: dependencies
...

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