Rosdep

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- split -modules into separate Debian package
- https://github.com/ros-infrastructure/rosdep/pull/731
- fix macOS CI
- https://github.com/ros-infrastructure/rosdep/pull/730

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- Fix TypeError on ROS Kinetic.
- https://github.com/ros-infrastructure/rosdep/issues/721
- Pip installer uses ROS_PYTHON_VERSION
- https://github.com/ros-infrastructure/rosdep/issues/709

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- Bump rospkg dependency to guarantee all platforms are available..
- https://github.com/ros-infrastructure/rosdep/issues/717
- Set ROS_PYTHON_VERSION if unset.
- https://github.com/ros-infrastructure/rosdep/issues/708

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- Fix problem with release uploaded to PyPI.
- https://github.com/ros-infrastructure/rosdep/issues/705

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- Add support for Nix/NixOS.
- https://github.com/ros-infrastructure/rosdep/pull/697
- Update supported platforms.
- Dropped platforms older than Xenial.
- Added Ubuntu Cosmic, Disco, and Eoan.
- https://github.com/ros-infrastructure/rosdep/pull/700
- Add sudo dependency in debian packages.
- https://github.com/ros-infrastructure/rosdep/pull/680
- Improve support for AMENT_PREFIX_PATH used in ROS 2.
- https://github.com/ros-infrastructure/rosdep/pull/699
- Add support for the --ignore-src argument for the keys verb.
- https://github.com/ros-infrastructure/rosdep/pull/686

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- Migrate to yaml.safe_load to avoid yaml.load vulnerabilities.
- https://github.com/ros-infrastructure/rosdep/pull/675
- Improve text feeback and prompts
- https://github.com/ros-infrastructure/rosdep/pull/675
- https://github.com/ros-infrastructure/rosdep/pull/670
- https://github.com/ros-infrastructure/rosdep/pull/665
- Add support for MX Linux
- https://github.com/ros-infrastructure/rosdep/pull/674
- Add support for OpenEmbedded
- https://github.com/ros-infrastructure/rosdep/pull/673
- Add support for Alpine
- https://github.com/ros-infrastructure/rosdep/pull/673
- Add support for CentOS and improve RHEL
- https://github.com/ros-infrastructure/rosdep/pull/668
- https://github.com/ros-infrastructure/rosdep/pull/667