Remove "experimental" designation from packs input

Author: henrymercer

init/action.yml

@@ -78,7 +78,7 @@ inputs:
     required: false
   packs:
     description: >-
-      [Experimental] Comma-separated list of packs to run. Reference a pack in the format `scope/name[@version]`. If `version` is not
+      Comma-separated list of packs to run. Reference a pack in the format `scope/name[@version]`. If `version` is not
       specified, then the latest version of the pack is used. By default, this overrides the same setting in a
       configuration file; prefix with "+" to use both sets of packs.