ci: build release AAB only for published releases

.gitea/workflows/android-build.yml

@@ -5,6 +5,9 @@ on:
     branches:
       - '**'
   pull_request:
+  release:
+    types:
+      - published
   workflow_dispatch:
 
 jobs:
@@ -54,6 +57,7 @@ jobs:
           printf 'sdk.dir=%s/.android/sdk\n' "$HOME" > local.properties
 
       - name: Build debug APK
+        if: github.event_name != 'release'
         shell: bash
         run: |
           set -euxo pipefail
@@ -62,6 +66,7 @@ jobs:
           ./gradlew --no-daemon clean assembleDebug
 
       - name: Build release AAB
+        if: github.event_name == 'release'
         shell: bash
         run: |
           set -euxo pipefail
@@ -70,6 +75,7 @@ jobs:
           ./gradlew --no-daemon bundleRelease
 
       - name: Upload debug APK
+        if: github.event_name != 'release'
         uses: actions/upload-artifact@v3
         with:
           name: debug-apk
@@ -77,6 +83,7 @@ jobs:
           if-no-files-found: error
 
       - name: Upload release AAB
+        if: github.event_name == 'release'
         uses: actions/upload-artifact@v3
         with:
           name: release-aab