Fixed syntax

Author: cditcher

.github/workflows/build.from.master.branch.deploy.to.dev.yml

@@ -156,7 +156,7 @@ jobs:
 
       - name: Push custom s2i builder image
         run: |
-          docker push ${{ env.IMAGE_REGISTRY }}/casinterface-custom-s2i:latest
+          docker push ghcr.io/${{ env.IMAGE_REGISTRY }}/casinterface-custom-s2i:latest
 #### End of custom s2i builder image for CAS API
       - name: Setup and Build cas api
         id: build-image-cas