Docs: Fix refresh foreign tables command
What does this MR do?
Fixes a command. Reconfigure doesn't work for HA, so just use the underlying command. In non-HA, we may as well use the same command, for consistency and to avoid confusion/worry.
Related issues
Related to #5041 (closed)
I didn't open a separate issue because the change seems trivial.
Edited by GitLab Release Tools Bot