build(deps): bump anthropic from 1.11.0 to 1.13.0

Bumps [anthropic](https://github.com/anthropics/anthropic-sdk-python) from 1.11.0 to 1.13.0.
- [Release notes](https://github.com/anthropics/anthropic-sdk-python/releases)
- [Changelog](https://github.com/anthropics/anthropic-sdk-python/blob/main/CHANGELOG.md)
- [Commits](anthropics/anthropic-sdk-python@v1.11.0...v1.13.0)

---
updated-dependencies:
- dependency-name: anthropic
  dependency-version: 1.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]