ci(create-pr): rewrite condition (#418)

Co-authored-by: Almanov Nikita <131481562+nikkeyl@users.noreply.github.com>

.github/workflows/create-pull-request.yaml

@@ -7,7 +7,7 @@ jobs:
   create-pull-request:
     name: Create Pull Request
 
-    if: ${{ github.actor != 'dependabot[bot]' }}
+    if: ${{ github.actor != 'dependabot[bot]' && github.event.pull_request.merged == false }}
 
     runs-on: ubuntu-latest
     timeout-minutes: 10