github action: push docker image to container repository

Author: FreekBes

.github/workflows/server-image.yml

@@ -29,5 +29,5 @@ jobs:
       uses: docker/build-push-action@e551b19e49efd4e98792db7592c17c09b89db8d8 # v3.0.0
       with:
         context: "{{ defaultContext }}:server"
-        push: false
+        push: true
         tags: ${{ env.IMAGE_NAME }}