Release/0.4.1

[jeffpaul]

What?

I mistakenly merged develop to trunk before merging the 0.4.0 release PR, which meant key changes to note its actually the 0.4.0 release (like, you know, bumping version numbers) didn't make it into the 0.4.0 release here on GitHub and WPORG SVN. This PR primarily fixes that (and assuming I can properly follow release steps) should ensure that 0.4.1 includes everything from 0.4.0 plus a couple Dependabot bumps. Mea culpa. 🤦🏼

Closes #276.

Copilot summary

This pull request prepares the AI Experiments plugin for the 0.4.1 release. It updates version numbers across the project, documents the new release in both CHANGELOG.md and readme.txt, and lists fixes and developer dependency updates.

Release documentation and version updates:

• Updated version numbers in ai.php, includes/bootstrap.php, and readme.txt to 0.4.1 to reflect the new release. [1] [2] [3]
• Added a new section for version 0.4.1 in CHANGELOG.md and readme.txt, documenting fixes for issues with the 0.4.0 release merge and deploy. [1] [2]
• Updated release links in CHANGELOG.md to include a comparison for version 0.4.1.

Dependency updates:

• Noted developer dependency bumps for immutable and svgo in the changelog.

Documentation improvements:

• Added a note about updated Release Instructions documentation in the changelog.

Why?

How?

Use of AI Tools

None, which would have been nice to have been able to blame AI. Nope, this is all me. 🤷🏼

Testing Instructions

Testing Instructions for Keyboard

Screenshots or screencast

Before	After

[github-actions]

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Co-authored-by: jeffpaul <jeffpaul@git.wordpress.org>

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[jeffpaul]

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 57.68%. Comparing base (38bee74) to head (9db302e).
⚠️ Report is 3 commits behind head on develop.

Additional details and impacted files

@@            Coverage Diff             @@
##             develop     #278   +/-   ##
==========================================
  Coverage      57.68%   57.68%           
  Complexity       567      567           
==========================================
  Files             35       35           
  Lines           2933     2933           
==========================================
  Hits            1692     1692           
  Misses          1241     1241           

Flag	Coverage Δ
unit	57.68% <ø> (ø)

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