Bump coverallsapp/github-action from 1.2.4 to 2.1.2

Bumps [coverallsapp/github-action](https://github.com/coverallsapp/github-action) from 1.2.4 to 2.1.2.
- [Release notes](https://github.com/coverallsapp/github-action/releases)
- [Commits](coverallsapp/github-action@v1.2.4...v2.1.2)

---
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>

.github/workflows/run-tests.yml

@@ -39,7 +39,7 @@ jobs:
         run: coverage lcov
 
       - name: Coveralls Parallel
-        uses: coverallsapp/github-action@v1.2.4
+        uses: coverallsapp/github-action@v2.1.2
         with:
           github-token: ${{ secrets.github_token }}
           flag-name: python-${{ matrix.python-version }}
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Coveralls Finished
-        uses: coverallsapp/github-action@v1.2.4
+        uses: coverallsapp/github-action@v2.1.2
         with:
           github-token: ${{ secrets.github_token }}
           path-to-lcov: coverage.lcov