Enhancement: Add image name and push policy to devcontainer test job

Signed-off-by: Ihor Dvoretskyi <[email protected]>

Author: idvoretskyi

.github/workflows/ci.yml

@@ -74,6 +74,8 @@ jobs:
       - name: Test devcontainer functionality
         uses: devcontainers/[email protected]
         with:
+          imageName: ghcr.io/idvoretskyi/dev-test
+          push: never
           runCmd: |
             # Test basic tools are available
             which tclsh || echo "tclsh is missing"