Created a release builder workflow (OpenMage#2165)

.github/workflows/release.yml

@@ -0,0 +1,41 @@
+name: Release builder
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  release_build:
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: [ubuntu-latest]
+        php-versions: ['7.3']
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@master
+
+    - name: Get composer cache directory
+      id: composer-cache
+      run: echo "dir=$(composer config cache-files-dir)" >> $GITHUB_OUTPUT
+
+    - name: Cache dependencies
+      uses: actions/cache@v3
+      with:
+        path: ${{ steps.composer-cache.outputs.dir }}
+        key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+        restore-keys: ${{ runner.os }}-composer-
+
+    - name: Composer install
+      run: composer install --prefer-dist --no-progress --ignore-platform-req=ext-* --no-dev
+
+    - name: Create ZIP file
+      run: zip -rq openmage-${{ github.event.release.tag_name }}.zip . -x '.git/*'
+
+    - name: Attach ZIP to GitHub release
+      uses: svenstaro/upload-release-action@master
+      with:
+        repo_token: ${{ secrets.GITHUB_TOKEN }}
+        file: openmage-${{ github.event.release.tag_name }}.zip
+        tag: ${{ github.event.release.tag_name }}
+        overwrite: true

composer.json

@@ -76,7 +76,10 @@
     "branch-alias": {
       "dev-main": "1.9.4.x-dev"
     },
-    "magento-root-dir": "."
+    "magento-root-dir": ".",
+    "magento-deploystrategy": "copy",
+    "magento-deploystrategy-dev": "symlink",
+    "magento-force": true
   },
   "config": {
     "allow-plugins": {