Support local_storage extra spec (#92)

Can be removed when we are able to use scs:local-storage extra spec.

Signed-off-by: Christian Berendt <berendt@osism.tech>

openstack_flavor_manager/main.py

@@ -73,7 +73,7 @@ def set_flavor(self, flavor_spec: dict, defaults: dict) -> Flavor | None:
             # we could exclude keys explicitly, like so:
             # if key not in ('name', 'ram', 'cpus', 'disk', 'public', 'disabled')
             # but the extra specs should be prefixed, so we can as well do it like so:
-            if ":" in key
+            if ":" in key or key in ["local_storage"]
         }
         self.conn.set_flavor_specs(
             flavor_id=flavor.id,