Add support to interact with a local podman installation

Signed-off-by: Tobias Wolf <wolf@b1-systems.de>

Author: NotTheEvilOne

src/gardenlinux/oci/podman.py

@@ -183,7 +183,7 @@ def pull(
         podman: PodmanContext,
         platform: Optional[str] = None,
         oci_tag: Optional[str] = None,
-    ) -> None:
+    ) -> str:
         """
         Pulls a given OCI container.