ci: replace Android SDK container with setup actions in CI workflow

Replace the cirruslabs/android-sdk container with individual setup actions for Java 17, Android SDK, and Gradle 8.8 to improve build flexibility and maintainability.

.gitea/workflows/ci.yml

@@ -44,10 +44,16 @@ jobs:
 
   android:
     runs-on: ubuntu-latest
-    container:
-      image: ghcr.io/cirruslabs/android-sdk:35
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
+        with:
+          distribution: "temurin"
+          java-version: "17"
+      - uses: android-actions/setup-android@v3
+      - uses: gradle/actions/setup-gradle@v4
+        with:
+          gradle-version: "8.8"
       - name: Prepare Firebase configuration
         if: "${{ secrets.GOOGLE_SERVICES_JSON_BASE64 != '' }}"
         run: echo "${{ secrets.GOOGLE_SERVICES_JSON_BASE64 }}" | base64 -d > android/app/google-services.json