deps: bump authlib from 1.6.11 to 1.6.12

Bumps [authlib](https://github.com/authlib/authlib) from 1.6.11 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@v1.6.11...1.6.12)

---
updated-dependencies:
- dependency-name: authlib
  dependency-version: 1.6.12
  dependency-type: indirect
...

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

Author: dependabot[bot]

requirements.txt

@@ -20,9 +20,9 @@ attrs==25.3.0 \
     # via
     #   jsonschema
     #   referencing
-authlib==1.6.11 \
-    --hash=sha256:64db35b9b01aeccb4715a6c9a6613a06f2bd7be2ab9d2eb89edd1dfc7580a38f \
-    --hash=sha256:c8687a9a26451c51a34a06fa17bb97cb15bba46a6a626755e2d7f50da8bff3e3
+authlib==1.6.12 \
+    --hash=sha256:0656d8482f28fc8221929d5f35b2bde5d13e10555ebc06b4561b0d622e83b1bd \
+    --hash=sha256:e9229ad7fde610b139dd12f5edbe97eab9ee78bfb85691247e767727850b99ab
     # via drf-oidc-auth
 cachetools==6.2.0 \
     --hash=sha256:1c76a8960c0041fcc21097e357f882197c79da0dbff766e7317890a65d7d8ba6 \