Bump six from 1.15.0 to 1.17.0

Bumps [six](https://github.com/benjaminp/six) from 1.15.0 to 1.17.0.
- [Changelog](https://github.com/benjaminp/six/blob/main/CHANGES)
- [Commits](benjaminp/six@1.15.0...1.17.0)

---
updated-dependencies:
- dependency-name: six
  dependency-version: 1.17.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/base.txt

@@ -17,7 +17,7 @@ python-akismet==0.4.2
 python-dotenv==1.1.1
 pydantic==2.11.7
 requests==2.32.4
-six==1.15.0
+six==1.17.0
 urllib3==2.5.0
 whitenoise==6.1.0
 psycopg2-binary==2.9.10