Do not use the user's container registry

Author: rafbiels

.github/workflows/ci.yml

@@ -8,6 +8,7 @@ permissions:
 
 env:
   REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
   BUILD_TYPE: Release
 
 jobs:
@@ -55,16 +56,6 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      # Use fork owner's container registry in pull request CI
-      # - this solution assumes the fork is <username>/SYCL-Samples
-      - name: Set image name
-        run: |
-          IMAGE_NAME=${{ github.repository }}
-          REPO_OWNER=${{ github.repository_owner }}
-          ACTOR=${{ github.actor }}
-          IMAGE_NAME=${IMAGE_NAME/$REPO_OWNER/$ACTOR}
-          echo IMAGE_NAME=${IMAGE_NAME} >> $GITHUB_ENV
-
       - name: Extract metadata
         id: meta
         uses: docker/metadata-action@369eb591f429131d6889c46b94e711f089e6ca96 # v5.6.1