chore(deps): upgrade jenkins-x-plugins/jx-admin to version 0.3.12

from: https://github.com/jenkins-x-plugins/jx-admin

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# jenkins-x-plugins/jx-admin

## Changes in version 0.3.12

### Bug Fixes

* upgrade3 go actions (Mårten Svantesson)
* use refreshed resources to check status (Mårten Svantesson)

### Chores

* deps: upgrade go dependencies (jenkins-x-bot)

pkg/plugins/versions.go

@@ -7,7 +7,7 @@ import (
 
 const (
 	// AdminVersion the version of the jx admin plugin
-	AdminVersion = "0.3.9"
+	AdminVersion = "0.3.12"
 
 	// ApplicationVersion the version of the jx application plugin
 	ApplicationVersion = "0.3.3"