chore(deps): bump authlib from 1.6.9 to 1.6.12

Bumps [authlib](https://github.com/authlib/authlib) from 1.6.9 to 1.6.12.
- [Release notes](https://github.com/authlib/authlib/releases)
- [Changelog](https://github.com/authlib/authlib/blob/1.6.12/docs/changelog.rst)
- [Commits](authlib/authlib@v1.6.9...1.6.12)

---
updated-dependencies:
- dependency-name: authlib
  dependency-version: 1.6.12
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-devel.txt

@@ -1,6 +1,6 @@
 httpx==0.26.0
 validators==0.34.0
-authlib==1.6.9
+authlib==1.6.12
 grpcio==1.75.1
 grpcio-tools==1.75.1
 grpcio-health-checking==1.75.1