ci: bump coverallsapp/github-action from 2.3.2 to 2.3.4

Bumps [coverallsapp/github-action](https://github.com/coverallsapp/github-action) from 2.3.2 to 2.3.4.
- [Release notes](https://github.com/coverallsapp/github-action/releases)
- [Commits](coverallsapp/github-action@v2.3.2...v2.3.4)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/main.yml

@@ -47,7 +47,7 @@ jobs:
       - uses: actions/checkout@v4
       - run: dotnet test /p:CollectCoverage=true
       - name: publish coverage report to coveralls.io
-        uses: coverallsapp/[email protected].2
+        uses: coverallsapp/[email protected].4
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           path-to-lcov: coverage/coverage.info