chore: correct easbuilder image name

Author: steve192

.github/workflows/build-support-images.yml

@@ -5,7 +5,7 @@ env:
   # Use docker.io for Docker Hub if empty
   REGISTRY: ghcr.io
   # github.repository as <account>/<repo>
-  IMAGE_NAME: easbuilder
+  IMAGE_NAME: steve192/easbuilder
 
 jobs:
   build-support-images: