Fix issue #5070: [Bug]: lint-fix workflow is failing

[openhands-agent]

This pull request fixes #5070.

The issue has been successfully resolved because:

1. The root cause was clearly identified - the workflow was failing due to using mutually exclusive flags --all-files and --files in the pre-commit command
2. The fix was straightforward - removing the --all-files flag while keeping the --files flag with the specified file patterns
3. The solution is appropriate since:
   • Having --files with specified patterns (openhands//* evaluation//* tests/**/*) already covers the necessary files to check
   • The flags were mutually exclusive according to the pre-commit help output shown in the error message
   • No additional workflow or code changes were needed beyond this configuration fix
4. Since this was purely a CI workflow configuration issue, no application code changes or tests were required

The PR can be summarized for reviewers as:
"Fixed the lint-fix workflow by removing the redundant and conflicting --all-files flag from the pre-commit command, while maintaining the file pattern specifications with --files. This resolves the argument conflict that was causing the workflow to fail."

Automatic fix generated by OpenHands 🙌

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To run this PR locally, use the following command:

docker run -it --rm   -p 3000:3000   -v /var/run/docker.sock:/var/run/docker.sock   --add-host host.docker.internal:host-gateway   -e SANDBOX_RUNTIME_CONTAINER_IMAGE=docker.all-hands.dev/all-hands-ai/runtime:6dc76df-nikolaik   --name openhands-app-6dc76df   docker.all-hands.dev/all-hands-ai/openhands:6dc76df

[enyst]

Looks ok!