Update dependency mdformat to v0.7.22 (#15896)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [mdformat](https://redirect.github.com/hukkin/mdformat)
([changelog](https://mdformat.readthedocs.io/en/stable/users/changelog.html))
| `==0.7.21` -> `==0.7.22` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/mdformat/0.7.22?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/mdformat/0.7.22?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/mdformat/0.7.21/0.7.22?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/mdformat/0.7.21/0.7.22?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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### Release Notes

<details>
<summary>hukkin/mdformat (mdformat)</summary>

###
[`v0.7.22`](https://redirect.github.com/hukkin/mdformat/compare/0.7.21...0.7.22)

[Compare
Source](https://redirect.github.com/hukkin/mdformat/compare/0.7.21...0.7.22)

</details>

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docs/requirements-insiders.txt

@@ -3,5 +3,5 @@ ruff==0.9.4
 mkdocs==1.6.1
 mkdocs-material @ git+ssh://git@github.com/astral-sh/mkdocs-material-insiders.git@39da7a5e761410349e9a1b8abf593b0cdd5453ff
 mkdocs-redirects==1.2.2
-mdformat==0.7.21
+mdformat==0.7.22
 mdformat-mkdocs==4.1.2

docs/requirements.txt

@@ -3,5 +3,5 @@ ruff==0.9.4
 mkdocs==1.6.1
 mkdocs-material==9.5.38
 mkdocs-redirects==1.2.2
-mdformat==0.7.21
+mdformat==0.7.22
 mdformat-mkdocs==4.1.2