Bump external-content/cookie from 3b7321d to 8734366

Bumps [external-content/cookie](https://github.com/scientific-python/cookie) from `3b7321d` to `8734366`.
- [Release notes](https://github.com/scientific-python/cookie/releases)
- [Commits](scientific-python/cookie@3b7321d...8734366)

---
updated-dependencies:
- dependency-name: external-content/cookie
  dependency-version: 8734366a2f7a4ae02903ca401ef1305733499bb2
  dependency-type: direct:production
...

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

Author: dependabot[bot]