Update pgrx to 0.12.1

[olirice]

Update pgrx to 0.12.1 in support of downstream consumers in need of latest pgrx features

ref:
paradedb/paradedb#1550

[burmecia]

there is an upstream issue in pgrx, wait for it to be resolved.

[workingjubilee]

@burmecia That won't be resolved unless it becomes reproducible. The issue is probably that you have too many clangs installed and you need to uninstall all except one.

[burmecia]

thanks @workingjubilee , I've reproduced that issue and commented here

[Vonng]

Is there any plan to bump pgrx version to 0.12.5?

[burmecia]

The pgrx 0.12.5 doesn't support Ubuntu 20 yet, but there is a fix for that already be merged. We've a draft PR ready for that and now just wait for pgrx's next new version to be released.