Add Subversion installation step to trunk release workflow

Author: iamsayan

.github/workflows/trunk-release-tag.yml

@@ -15,6 +15,9 @@ jobs:
       - name: Checkout source
         uses: actions/checkout@v3
 
+      - name: Install Subversion
+        run: sudo apt-get install subversion
+
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with: