Deprecated: Add since option to deprecated function

[Mamaduka]

Description

Adds the ability to specify the version of the Gutenberg/WordPress in which the feature was deprecated.

I'm also working on separated PR to fill in the since option for deprecated function calls in the codebase.

Fixes #23373.

How has this been tested?

Using test-unit script.

Types of changes

Checklist:

• My code is tested.
• My code follows the WordPress code style.
• [N/A] My code follows the accessibility standards.
• [N/A] I've tested my changes with keyboard and screen readers.
• My code has proper inline documentation.
• I've included developer documentation if appropriate.
• [N/A] I've updated all React Native files affected by any refactorings/renamings in this PR.

[gziolo]

There are some formatting issues to fix but overall it looks like a nice addition 👍🏻

[Mamaduka]

Thanks, @gziolo for the review. I just pushed fixes for the formatting issues.

[gziolo]

Cool, feel free to merge once CI is green 👍🏻

[Mamaduka]

Cool, feel free to merge once CI is green 👍🏻

Sorry, forgot that I'm not authorized to merge pull requests.

[gziolo]

Cool, feel free to merge once CI is green 👍🏻

Sorry, forgot that I'm not authorized to merge pull requests.

@youknowriad, can you fix it? 😄

I see 4 merged commits: https://github.com/WordPress/gutenberg/commits?author=Mamaduka

[youknowriad]

It's fixed :)

[Mamaduka]

Thank you, @gziolo, @youknowriad!