Axes.inset_axes - warning message removed

[ShivamPathak99]

Changed Axes.inset_axes status to stable #27648

Changed the status of Axes.inset_axes from experimental to stable in docs.
Created new file in next_whats_new for inset_axes.
Fixed the wrong fork

Closes #27648

PR checklist

• "closes #0000" is in the body of the PR description to link the related issue
• new and changed code is tested
• Plotting related features are demonstrated in an example
• New Features and API Changes are noted with a directive and release note
• Documentation complies with general and docstring guidelines

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[ksunden]

Mostly just doc formatting, but also one unrelated change is included

[ShivamPathak99]

Why 2 of the checks failed ?

[ksunden]

One is an unrelated memory problem we have been having (nothing for you to do on that)

The other is wanting the new line at the end of the release note to be taken out, I believe.

[ShivamPathak99]

codecov/project/tests is failing, but why ?

[tacaswell]

I'm unclear why the bot added "documention user guide" as this is moving part of the API from experimental to stable so it is closest to an API change.

---

Coverage data is based on HEAD 95b7f68
(10 uploads)
compared to BASE 879bde7
(14 uploads)

more CI jobs contributed to the run on the base commit.

From looking at the indirect changes it looks like we are missing an upload from an osx runner and something with a pre-release of pytest8.

[ksunden]

I'm unclear why the bot added "documention user guide"

The release note matches this file glob:

matplotlib/.github/labeler.yml

Lines 104 to 107 in 59f9b3c

	"Documentation: user guide":
	- changed-files:
	- any-glob-to-any-file:
	- 'doc/users/**'

Perhaps that glob can be narrowed (especially for next_whats_new)

Changes addressed