chore(deps): update gradle/gradle-build-action action to v2.12.0

Author: vexdev-renovate[bot]

.github/workflows/validate.yml

@@ -13,6 +13,6 @@ jobs:
       - name: Validate Gradle wrapper
         uses: gradle/[email protected]
       - name: Run the Gradle test task
-        uses: gradle/gradle-build-action@v2.11.0
+        uses: gradle/gradle-build-action@v2.12.0
         with:
           arguments: test