[stubsabot] Bump Authlib to 1.6.0

Release: https://pypi.org/pypi/Authlib/1.6.0
Repository: https://github.com/lepture/authlib
Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/Authlib
Diff: authlib/authlib@v1.5.0...v1.6.0

Stubsabot analysis of the diff between the two releases:
 - 7 public Python files have been added: `authlib/oauth2/rfc6749/hooks.py`, `authlib/oauth2/rfc9101/__init__.py`, `authlib/oauth2/rfc9101/authorization_server.py`, `authlib/oauth2/rfc9101/discovery.py`, `authlib/oauth2/rfc9101/errors.py`, `authlib/oauth2/rfc9101/registration.py`, `authlib/oidc/core/userinfo.py`.
 - 0 files included in typeshed's stubs have been deleted.
 - 41 files included in typeshed's stubs have been modified or renamed.
 - Total lines of Python code added: 4505.
 - Total lines of Python code deleted: 3007.

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- Leave this PR open (as a reminder, and to prevent stubsabot from opening another PR)
- Fix stubtest failures in another PR, then close this PR

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Author: stubsabot

stubs/Authlib/METADATA.toml

@@ -1,4 +1,4 @@
-version = "1.5.0"
+version = "1.6.0"
 upstream_repository = "https://github.com/lepture/authlib"
 requires = ["cryptography"]
 partial_stub = true