Bump jandelgado/gcov2lcov-action from v1.0.7 to v1.0.8 (#24)

Bumps [jandelgado/gcov2lcov-action](https://github.com/jandelgado/gcov2lcov-action) from v1.0.7 to v1.0.8.
- [Release notes](https://github.com/jandelgado/gcov2lcov-action/releases)
- [Changelog](https://github.com/jandelgado/gcov2lcov-action/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jandelgado/gcov2lcov-action/compare/v1.0.7...2477d9ec11814a9326e7fdde8d315783d163edb7)

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

.github/workflows/build.yaml

@@ -108,7 +108,7 @@ jobs:
         run: |
           make test
       - name: Convert coverage.out to coverage.lcov
-        uses: jandelgado/gcov2lcov-action@v1.0.7
+        uses: jandelgado/gcov2lcov-action@v1.0.8
         if: matrix.os == 'ubuntu-latest'
       - name: Coveralls
         uses: coverallsapp/github-action@v1.1.2