3di | Triaging and reporting an issue (backport #6901)

[mergify]

Description

Refactor/consolidation and partial rewrite of content from several sources to create new articles for Triaging an issue, and Reporting an issue under Contributing section.

Related to: #6828

Did you use Generative AI?

No

Additional Information

Documentation updates from 3di Information Solutions, agreed with Geoff and Tully.

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This is an automatic backport of pull request #6901 done by Mergify.

[mergify]

Cherry-pick of bf9db74 has failed:

On branch mergify/bp/humble/pr-6901
Your branch is up to date with 'origin/humble'.

You are currently cherry-picking commit bf9db741.
  (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:
	modified:   source/How-To-Guides/Core-maintainer-guide.rst
	modified:   source/The-ROS2-Project/Contributing/Contributing-to-code.rst
	new file:   source/The-ROS2-Project/Contributing/Contributing-to-code/Reporting-an-issue.rst
	new file:   source/The-ROS2-Project/Contributing/Contributing-to-code/Triaging-an-issue.rst

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   source/Contact.rst
	both modified:   source/The-ROS2-Project/Contributing/Developer-Guide.rst

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