build(deps): bump coverallsapp/github-action from 2.3.4 to 2.3.6

Bumps [coverallsapp/github-action](https://github.com/coverallsapp/github-action) from 2.3.4 to 2.3.6.
- [Release notes](https://github.com/coverallsapp/github-action/releases)
- [Commits](coverallsapp/github-action@cfd0633...648a8eb)

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

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
       run: lcov --capture -d '.' --exclude '/usr*' -o coverage.info
     - name: Upload coverage
       if: github.repository == 'c9s/r3'
-      uses: coverallsapp/github-action@cfd0633edbd2411b532b808ba7a8b5e04f76d2c8 # v2.3.4
+      uses: coverallsapp/github-action@648a8eb78e6d50909eff900e4ec85cab4524a45b # v2.3.6
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
         file: coverage.info