Merge branch 'sh-handle-nil-geo-current-node' into 'master'

Handle nil GeoNode to prevent spec failures

See merge request !2124

config/initializers/geo.rb

@@ -8,7 +8,7 @@ end
 begin
   # Avoid using the database if this is run in a Rake task
   if Gitlab::Geo.primary_role_enabled?
-    Gitlab::Geo.current_node.update_clone_url!
+    Gitlab::Geo.current_node&.update_clone_url!
   end
 rescue => e
   warn "WARNING: Unable to check/update clone_url_prefix for Geo: #{e}"