chore(deps): update gradle/actions action to v6 (#205)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/android-ci.yml

@@ -27,7 +27,7 @@ jobs:
 
       # Caches Gradle + wrapper automatically
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       # Run checks (Spotless + Detekt + Lint + Tests), then merge SARIF reports
       # detekt is hooked into subproject `check` tasks, so it runs automatically

.github/workflows/release.yml

@@ -54,7 +54,7 @@ jobs:
           java-version: 21
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Run checks
         run: ./gradlew check --stacktrace