Bump coverallsapp/github-action from 1 to 2 (#12)

Bumps [coverallsapp/github-action](https://github.com/coverallsapp/github-action) from 1 to 2.
- [Release notes](https://github.com/coverallsapp/github-action/releases)
- [Commits](coverallsapp/github-action@v1...v2)

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

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

.github/workflows/CI.yml

@@ -51,7 +51,7 @@ jobs:
         if: matrix.version == '1' && matrix.os == 'ubuntu-latest'
         with:
           file: lcov.info
-      - uses: coverallsapp/github-action@v1
+      - uses: coverallsapp/github-action@v2
         if: matrix.version == '1' && matrix.os == 'ubuntu-latest'
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}