GH Actions: Bump coverallsapp/github-action in the action-runners group

Bumps the action-runners group with 1 update: [coverallsapp/github-action](https://github.com/coverallsapp/github-action).


Updates `coverallsapp/github-action` from 2.3.7 to 2.3.8
- [Release notes](https://github.com/coverallsapp/github-action/releases)
- [Commits](coverallsapp/github-action@5cbfd81...8d6379e)

---
updated-dependencies:
- dependency-name: coverallsapp/github-action
  dependency-version: 2.3.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: action-runners
...

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

Author: dependabot[bot]

.github/workflows/test.yml

@@ -253,7 +253,7 @@ jobs:
 
       - name: Upload coverage results to Coveralls
         if: ${{ success() }}
-        uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # v2.3.7
+        uses: coverallsapp/github-action@8d6379e14d29928660c4ba802d8e85393440b329 # v2.3.8
         with:
           format: clover
           file: build/logs/clover.xml
@@ -266,6 +266,6 @@ jobs:
 
     steps:
       - name: Coveralls Finished
-        uses: coverallsapp/github-action@5cbfd81b66ca5d10c19b062c04de0199c215fb6e # v2.3.7
+        uses: coverallsapp/github-action@8d6379e14d29928660c4ba802d8e85393440b329 # v2.3.8
         with:
           parallel-finished: true