ci: adds missing gradle dependencies caching to CI

Author: baywet

.github/workflows/api-level-lint.yml

@@ -16,6 +16,7 @@ jobs:
         with:
           distribution: 'temurin'
           java-version: 21
+          cache: gradle
       - name: Setup Android SDK
         uses: android-actions/setup-android@v3.2.1
       - name: Add execution right to the script

.github/workflows/gradle-build.yml

@@ -60,6 +60,7 @@ jobs:
         with:
           java-version: 8
           distribution: 'temurin'
+          cache: gradle
       - name: Grant Execute permission for gradlew
         run: chmod +x gradlew
       - name: Build with Java 8