Bump authlib from 1.5.1 to 1.6.6 in /src/api/python

Bumps [authlib](https://github.com/authlib/authlib) from 1.5.1 to 1.6.6.
- [Release notes](https://github.com/authlib/authlib/releases)
- [Changelog](https://github.com/authlib/authlib/blob/main/docs/changelog.rst)
- [Commits](authlib/authlib@v1.5.1...v1.6.6)

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

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

Author: dependabot[bot]

src/api/python/requirements.bazel.txt

@@ -4,9 +4,9 @@
 #
 #    pip-compile --allow-unsafe --generate-hashes --output-file=requirements.bazel.txt requirements.txt
 #
-authlib==1.5.1 \
-    --hash=sha256:5cbc85ecb0667312c1cdc2f9095680bb735883b123fb509fde1e65b1c5df972e \
-    --hash=sha256:8408861cbd9b4ea2ff759b00b6f02fd7d81ac5a56d0b2b22c08606c6049aae11
+authlib==1.6.6 \
+    --hash=sha256:45770e8e056d0f283451d9996fbb59b70d45722b45d854d58f32878d0a40c38e \
+    --hash=sha256:7d9e9bc535c13974313a87f53e8430eb6ea3d1cf6ae4f6efcd793f2e949143fd
     # via -r requirements.txt
 cffi==2.0.0 \
     --hash=sha256:00bdf7acc5f795150faa6957054fbbca2439db2f775ce831222b66f192f03beb \

src/api/python/requirements.txt

@@ -1,4 +1,4 @@
-Authlib==1.5.1
+Authlib==1.6.6
 grpcio==1.76.0
 grpcio-tools==1.76.0
 protobuf==6.33.1