Bump authlib (#12628)

Bumps the pip group with 1 update in the /tests/TestRunner directory: [authlib](https://github.com/authlib/authlib).


Updates `authlib` from 1.6.5 to 1.6.6
- [Release notes](https://github.com/authlib/authlib/releases)
- [Changelog](https://github.com/authlib/authlib/blob/main/docs/changelog.rst)
- [Commits](https://github.com/authlib/authlib/compare/v1.6.5...v1.6.6)

---
updated-dependencies:
- dependency-name: authlib
  dependency-version: 1.6.6
  dependency-type: direct:production
  dependency-group: pip
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

documentation/sphinx/requirements.txt

@@ -3,4 +3,4 @@ sphinx==5.1.1
 sphinx-bootstrap-theme==0.8.1
 docutils==0.19
 Jinja2==3.1.6
-urllib3<2
+urllib3<3

tests/TestRunner/requirements.txt

@@ -1,4 +1,4 @@
-Authlib==1.6.5
+Authlib==1.6.6
 cffi==1.15.1
 cryptography==44.0.1
 pycparser==2.21