Replace it to /auto-merge

Signed-off-by: Petr "Stone" Hracek <phracek@redhat.com>

Author: phracek

.github/workflows/auto-merge-on-demand.yml

@@ -18,7 +18,7 @@ jobs:
   gather-pull-requests:
     if: |
       github.repository_owner == 'sclorg'
-      || (contains(github.event.comment.body, '/auto-merge-on-demand')
+      || (contains(github.event.comment.body, '/auto-merge')
       && contains(fromJson('["OWNER", "MEMBER"]'), github.event.comment.author_association)
     runs-on: ubuntu-latest