ignition-gazebo6 6.15.0

[osrfbuild]

No description provided.

[azeey]

@osrf-jenkins build bottle

[azeey]

The bigsur build failed with

==> brew doctor
==> FAILED
Please note that these warnings are just used to help the Homebrew maintainers
with debugging if you file an issue. If everything you use Homebrew for is
working fine: please don't worry or file an issue; just ignore this. Thanks!

Warning: No Cask quarantine support available: unknown reason.

Warning: A newer Command Line Tools release is available.
Update them from Software Update in System Preferences.

If that doesn't show you any updates, run:
  sudo rm -rf /Library/Developer/CommandLineTools
  sudo xcode-select --install

Alternatively, manually download them from:
  https://developer.apple.com/download/all/.
You should download the Command Line Tools for Xcode 13.2.1.

[scpeters]

it's an issue specifically with https://build.osrfoundation.org/computer/mac-four.bigsur/

I reran the build with mac-four temporarily disabled and it made more progress, failing due to a patch that needs to be removed

[scpeters]

build bottle