Update CI (backport #43)

[mergify]

Main changes

• Add build workflows for each supported ROS 2 distro.
• Change fork checker workflow to use rolling branch instead master.

  ---

  This is an automatic backport of pull request Update CI #43 done by Mergify.

[mergify]

Cherry-pick of 8f32223 has failed:

On branch mergify/bp/rolling/pr-43
Your branch is up to date with 'origin/rolling'.

You are currently cherry-picking commit 8f32223.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	new file:   .github/workflows/humble-ci.yml
	new file:   .github/workflows/jazzy-ci.yml
	new file:   .github/workflows/kilted-ci.yml
	new file:   .github/workflows/reusable-ci.yml
	new file:   .github/workflows/rolling-ci.yml
	new file:   .github/workflows/weekly-ci.yml

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   .github/workflows/fork_checker.yml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally