feat: Fix gradle build, update fastlane configuration

.github/workflows/release_deploy_play_store.yml

@@ -0,0 +1,68 @@
+## See https://github.com/flutter/gallery/blob/main/.github/workflows/release_deploy_play_store.yml
+
+name: Deploy to Play Store
+on:
+  # Enable manual run
+  workflow_dispatch:
+    inputs:
+      lane:
+        description: "Fastlane lane"
+        required: true
+        default: "alpha"
+        type: choice
+        options:
+          - alpha
+          - beta
+          - promote_to_production
+          - production
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  fastlane-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      # Set up Flutter.
+      - name: Clone Flutter repository with stable channel
+        uses: subosito/flutter-action@dbf1fa04f4d2e52c33185153d06cdb5443aa189d
+        with:
+          channel: stable
+      - run: flutter doctor -v
+      
+      # Setup app
+      - name: Checkout Paperless mobile, get packages and run code generators
+        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
+      - run:  |
+          pushd scripts
+          bash install_dependencies.sh
+          popd
+
+      # Setup Ruby, Bundler, and Gemfile dependencies
+      - name: Setup Fastlane
+        uses: ruby/setup-ruby@8df78e55761745aad83acaf3ff12976382356e6d
+        with:
+          ruby-version: "2.6"
+          bundler-cache: true
+          working-directory: android
+
+      - name: Configure Keystore
+        run: |
+          echo "$PLAY_STORE_UPLOAD_KEY" | base64 --decode > app/upload-keystore.jks
+          echo "storeFile=upload-keystore.jks" >> key.properties
+          echo "keyAlias=$KEYSTORE_KEY_ALIAS" >> key.properties
+          echo "storePassword=$KEYSTORE_STORE_PASSWORD" >> key.properties
+          echo "keyPassword=$KEYSTORE_KEY_PASSWORD" >> key.properties
+        env:
+          PLAY_STORE_UPLOAD_KEY: ${{ secrets.PLAY_STORE_UPLOAD_KEY }}
+          KEYSTORE_KEY_ALIAS: ${{ secrets.KEYSTORE_KEY_ALIAS }}
+          KEYSTORE_KEY_PASSWORD: ${{ secrets.KEYSTORE_KEY_PASSWORD }}
+          KEYSTORE_STORE_PASSWORD: ${{ secrets.KEYSTORE_STORE_PASSWORD }}
+        working-directory: android
+
+      # Build and deploy with Fastlane (by default, to alpha track) 🚀.
+      # Naturally, promote_to_production only deploys.
+      - run: bundle exec fastlane ${{ github.event.inputs.lane || 'alpha' }}
+        env:
+          PLAY_STORE_CREDENTIALS: ${{ secrets.PLAY_STORE_CREDENTIALS }}
+        working-directory: android