Pin wporg deploy action to 2.3.0

The v2 major version tag no longer exists.

Author: JanJakes

.github/workflows/release-wporg.yml

@@ -60,7 +60,7 @@ jobs:
           bash bin/verify-release-metadata.sh plugin-sqlite-database-integration "$VERSION"
 
       - name: Deploy to WordPress.org
-        uses: 10up/action-wordpress-plugin-deploy@v2
+        uses: 10up/action-wordpress-plugin-deploy@2.3.0
         env:
           SVN_USERNAME: ${{ secrets.SVN_USERNAME }}
           SVN_PASSWORD: ${{ secrets.SVN_PASSWORD }}