Add mention of stg instances (for generated help message)

Author: betulependule

packit_service/utils.py

@@ -219,7 +219,7 @@ def get_packit_commands_from_comment(
 
 
 def get_pr_comment_parser() -> argparse.ArgumentParser:
-    parser = argparse.ArgumentParser(prog="/packit")
+    parser = argparse.ArgumentParser(prog="/packit | /packit-stg")
     parser.add_argument("--package", help="Specific package from monorepo to apply job to")
 
     subparsers = parser.add_subparsers(
@@ -275,7 +275,7 @@ def get_pr_comment_parser() -> argparse.ArgumentParser:
 
 
 def get_pr_comment_parser_fedora_ci() -> argparse.ArgumentParser:
-    parser = argparse.ArgumentParser(prog="/packit-ci")
+    parser = argparse.ArgumentParser(prog="/packit-ci | /packit-stg-ci")
     parser.add_argument("--package", help="Specific package from monorepo to apply job to")
 
     subparsers = parser.add_subparsers(