ci: format migration patch before diff checks

Author: medvednikov

.github/workflows/agent-fix-v3-migrations.yml

@@ -33,7 +33,6 @@ jobs:
         run: |
           base64 --decode .github/agent_fix_v3_migrations.py.gz.b64 | gzip --decompress --stdout > /tmp/agent_fix_v3_migrations.py
           python3 /tmp/agent_fix_v3_migrations.py
-          git diff --check
 
       - name: Build V
         shell: bash