ci(workflows): [auto-merge] check for draft pull requests only

- merging is blocked when required workflows are skipped

Signed-off-by: Lexus Drumgold <unicornware@flexdevelopment.llc>

Author: unicornware

.github/workflows/auto-merge.yml

@@ -27,7 +27,7 @@ on:
       - synchronize
 jobs:
   auto-merge:
-    if: github.event.pull_request.auto_merge == null && !github.event.pull_request.draft
+    if: ${{ !github.event.pull_request.draft }}
     runs-on: ubuntu-latest
     steps:
       - id: debug