rename --cni-config-dir to --network-config-dir

Since this option will also be used for netavark we should rename it to
something more generic. It is important that --cni-config-dir still
works otherwise we could break existing container cleanup commands.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

test/python/docker/__init__.py

@@ -57,7 +57,7 @@ class Podman(object):
             self.anchor_directory, "cni", "net.d"
         )
         os.makedirs(os.environ["CNI_CONFIG_PATH"], exist_ok=True)
-        self.cmd.append("--cni-config-dir=" + os.environ["CNI_CONFIG_PATH"])
+        self.cmd.append("--network-config-dir=" + os.environ["CNI_CONFIG_PATH"])
         cni_cfg = os.path.join(
             os.environ["CNI_CONFIG_PATH"], "87-podman-bridge.conflist"
         )