This is a scheduled macos-13 brownout. The macOS-13 based runner images are being deprecated. For more details, seehttps://github.com/actions/runner-images/issues/13046.

Process completed with exit code 1.

Stable: version should not decrease (from 2.28.1 to 2.27.5)

1 problem in 1 formula detected.

The macOS-13 based runner images are being deprecated, consider switching to macOS-15 (macos-15-intel) or macOS 15 arm64 (macos-latest) instead. For more details seehttps://github.com/actions/runner-images/issues/13046