Bump coverallsapp/github-action from 2.3.3 to 2.3.4 (#126)

Bumps [coverallsapp/github-action](https://github.com/coverallsapp/github-action) from 2.3.3 to 2.3.4.
- [Release notes](https://github.com/coverallsapp/github-action/releases)
- [Commits](coverallsapp/github-action@4cdef0b...cfd0633)

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

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

.github/workflows/coverage.yml

@@ -51,7 +51,7 @@ jobs:
             --keep-only '*/src/*' > coveralls.json
 
       - name: Upload coverage to Coveralls
-        uses: coverallsapp/github-action@4cdef0b2dbe0c9aa26bed48edb868db738625e79 # v2.3.3
+        uses: coverallsapp/github-action@cfd0633edbd2411b532b808ba7a8b5e04f76d2c8 # v2.3.4
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           path-to-json: ./coveralls.json