Bump idna from 3.4 to 3.7 in /library/mkdocs

Bumps [idna](https://github.com/kjd/idna) from 3.4 to 3.7.
- [Release notes](https://github.com/kjd/idna/releases)
- [Changelog](https://github.com/kjd/idna/blob/master/HISTORY.rst)
- [Commits](kjd/idna@v3.4...v3.7)

---
updated-dependencies:
- dependency-name: idna
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

library/mkdocs/requirements.txt

@@ -2,7 +2,7 @@ certifi==2023.7.22
 charset-normalizer==2.1.1
 click==8.1.3
 ghp-import==2.1.0
-idna==3.4
+idna==3.7
 importlib-metadata==4.12.0
 Jinja2==3.1.2
 Markdown==3.3.7