Bump authlib in /ai/gen-ai-agents/mcp-oci-integration

Bumps [authlib](https://github.com/authlib/authlib) from 1.6.3 to 1.6.5.
- [Release notes](https://github.com/authlib/authlib/releases)
- [Changelog](https://github.com/authlib/authlib/blob/main/docs/changelog.rst)
- [Commits](authlib/authlib@v1.6.3...v1.6.5)

---
updated-dependencies:
- dependency-name: authlib
  dependency-version: 1.6.5
  dependency-type: direct:production
...

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

Author: dependabot[bot]

ai/gen-ai-agents/mcp-oci-integration/requirements.txt

@@ -6,7 +6,7 @@ annotated-types==0.7.0
 anyio==4.10.0
 astroid==3.3.11
 attrs==25.3.0
-Authlib==1.6.3
+Authlib==1.6.5
 black==25.1.0
 blinker==1.9.0
 cachetools==6.2.0