ci: list preloaded docker images

Signed-off-by: CrazyMax <[email protected]>

Author: crazy-max

.github/workflows/virtual-env.yml

@@ -31,6 +31,9 @@ jobs:
       -
         name: containerd version
         run: containerd --version
+      -
+        name: Docker images
+        run: docker image ls
       -
         name: Dump context
         if: always()