Update merge_conflict.yml

Author: Mayank77maruti

.github/workflows/merge_conflict.yml

@@ -40,7 +40,7 @@ jobs:
         GITHUB_REPOSITORY: ${{ github.repository }}
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |
-        python scripts/pr_merge_conflict_check.py
+        python -m scripts.pr_merge_conflict_check
       
     # Optional: Failure notification for specific branch
     - name: Report failure if failed on oppia/oppia develop branch