echo platform too

Author: nemanjam

.github/workflows/default__build-push-docker.yml

@@ -73,7 +73,7 @@ jobs:
       # Must be in separate step to reflect
       - name: Debug assigned environment variable
         run: |
-          echo "Debug: SITE_URL is set to ${{ env.SITE_URL }}"
+          echo "Debug: PLATFORM: ${{ matrix.platform }}, SITE_URL: ${{ env.SITE_URL }}"
 
       - name: Build and push Docker image
         uses: docker/build-push-action@v5