Trying the docker actions.

Author: RossBugginsNHS

.github/actions/build-libraries/action.yml

@@ -59,7 +59,7 @@ runs:
       uses: docker/build-push-action@v6
       with:
         context: src/server
-        file: Dockerfile
+        file: src/server/Dockerfile
         tags: |
           ghcr.io/nhsdigital/libshostdocker:latest
 #          ghcr.io/nhsdigital/libshostdocker:${{ inputs.version }}