ci: cache improvements

.github/workflows/release.yaml

@@ -7,6 +7,8 @@ on:
     branches:
       - beta
       - main
+env:
+  FIREBASE_TOOLS_VERSION: 13.28.0
 jobs:
   release:
     name: Release
@@ -37,27 +39,26 @@ jobs:
           workload_identity_provider: projects/${{ vars.GOOGLE_PROJECT_NUMBER }}/locations/global/workloadIdentityPools/github-actions-workflows/providers/github-actions
 
       - name: Set up Firebase CLI
-        run: npm install -g firebase-tools@13.27.0
+        run: npm install -g firebase-tools@${FIREBASE_TOOLS_VERSION}
 
       - name: Setup Java
         uses: actions/setup-java@v4
         with:
-          java-version: 22
+          cache: gradle
           distribution: temurin
+          java-version: 22
 
       - name: Cache SonarCloud packages
         uses: actions/cache@v4
         with:
-          path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
-          restore-keys: ${{ runner.os }}-sonar
+          path: ~/.sonar/cache
 
-      - name: Cache Gradle packages
+      - name: Cache Firebase emulators
         uses: actions/cache@v4
         with:
-          path: ~/.gradle/caches
-          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
-          restore-keys: ${{ runner.os }}-gradle
+          key: firebase-tools-${{ env.FIREBASE_TOOLS_VERSION }}
+          path: ~/.cache/firebase/emulators
 
       - name: Test
         run: make app/test