🎈 1.0.0

[chapulina]

🎈 Release

Preparation for 4.0.0 release.

All the stable branches have been created.

Bumping the minimal version requirements so users get the latest releases.

Should come after:

• 🎈 4.0.0 gz-common#191
• 🎈 6.8.0 gz-math#202
• 🎈 1.2.0 gz-plugin#49
• 🎈 1.0.0 gz-utils#18
• 🎈 11.0.0 sdformat#529
• 🎈 5.0.0 gz-sensors#118
• 🎈 4.0.0 gz-common#191
• 🎈 5.0.0 gz-rendering#292
• 🎈 7.0.0 gz-msgs#150
• 🎈 10.0.0 gz-transport#234
• 🎈 4.0.0 gz-physics#244
• 🎈 5.0.0 gz-sim#731
• 🎈 4.0.0 gz-launch#105

gazebo-tooling/release-tools#421

Checklist

• Asked team if this is a good time for a release
• There are no changes to be ported from the previous major version
• No PRs targeted at this major version are close to getting in
• Bumped minor for new features, patch for bug fixes
• Updated changelog
• Updated migration guide (as needed)
• Link to PR updating dependency versions in appropriate repository in ignition-release (as needed): Bump versions for 1.0.0 gazebo-release/ign-edifice-release#7

Note to maintainers: Remember to use Squash-Merge