pip: bump google-genai from 1.64.0 to 1.65.0 (#6075)

Bumps [google-genai](https://github.com/googleapis/python-genai) from 1.64.0 to 1.65.0.
- [Release notes](https://github.com/googleapis/python-genai/releases)
- [Changelog](https://github.com/googleapis/python-genai/blob/main/CHANGELOG.md)
- [Commits](googleapis/python-genai@v1.64.0...v1.65.0)

---
updated-dependencies:
- dependency-name: google-genai
  dependency-version: 1.65.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -19,7 +19,7 @@ google-cloud-logging==3.13.0
 google-cloud-secret-manager==2.26.0
 google-cloud-storage==3.9.0
 google-auth==2.48.0
-google-genai==1.64.0
+google-genai==1.65.0
 requests==2.32.5
 redis==6.4.0
 fakeredis==2.34.1