Build(deps): Bump gradle/gradle-build-action from 2.4.2 to 2.5.1

Bumps [gradle/gradle-build-action](https://github.com/gradle/gradle-build-action) from 2.4.2 to 2.5.1.
- [Release notes](https://github.com/gradle/gradle-build-action/releases)
- [Commits](https://github.com/gradle/gradle-build-action/compare/749f47bda3e44aa060e82d7b3ef7e40d953bd629...40b6781dcdec2762ad36556682ac74e31030cfe2)

---
updated-dependencies:
- dependency-name: gradle/gradle-build-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/unit-tests.yml

@@ -30,7 +30,7 @@ jobs:
                 if: ${{ always() }}
                 run: scripts/deleteOldComments.sh "test" "Unit" ${{github.event.number}}
             -   name: Run unit tests with coverage
-                uses: gradle/gradle-build-action@749f47bda3e44aa060e82d7b3ef7e40d953bd629 # v2.4.2
+                uses: gradle/gradle-build-action@40b6781dcdec2762ad36556682ac74e31030cfe2 # v2.5.1
                 with:
                     arguments: jacocoTestGplayDebugUnitTest
             -   name: Upload failing results