Upgrade PHP version in GitHub workflow

The PHP version used in the GitHub workflow has been upgraded to 8.3. With this update, the application aligns to use the upgraded version promoting better compatibility and improved performance. This further ensures the use of more stable, secure and highly performant dependencies.

.github/workflows/main.yml

@@ -232,6 +232,11 @@ jobs:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.ref }}
 
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.3
+
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with: