Increase kopia timeout

I’m using kopia 0.11.3 and a remote storage via rclone.

The repository now has a lot of files and it’s very slow to open (I shouldn’t have use --flat).
The problem is I can’t anymore open the repository, kopia timeout after 15 seconds

time kopia repository connect rclone --remote-path xxx --rclone-args=“–password-command=cat yyy”
ERROR can’t connect to storage: unable to start rclone: timed out waiting for rclone to start
real 0m15.095s

When I open the webdav server directly with rclone it takes about 40 seconds

It seems the option --action-command-timeout doesn’t exists

How can I increase the timeout of kopia ?