🎈 1.1.0~pre1

[chapulina]

🎈 Release

Preparation for 1.1.0~pre1 release.

Comparison to 1.0.0: https://github.com/ignitionrobotics/ign-tools/compare/ignition-tools_1.0.0...ign-tools1

Checklist

• [x] Asked team if this is a good time for a release
• [x] There are no changes to be ported from the previous major version
• [x] No PRs targeted at this major version are close to getting in: There's one, but we're past feature freeze
• [x] Bumped minor for new features, patch for bug fixes
• [x] Updated changelog
• [ ] Updated migration guide (as needed)
• [ ] Link to PR updating dependency versions in appropriate repository in ignition-release (as needed):

Note to maintainers: Remember to use Squash-Merge