Bump external-content/cookie from a6609ab to 2f31dcf

Bumps [external-content/cookie](https://github.com/scientific-python/cookie) from `a6609ab` to `2f31dcf`.
- [Release notes](https://github.com/scientific-python/cookie/releases)
- [Commits](scientific-python/cookie@a6609ab...2f31dcf)

---
updated-dependencies:
- dependency-name: external-content/cookie
  dependency-version: 2f31dcf5197431fe985e2432a8358e41c412b396
  dependency-type: direct:production
...

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

Author: dependabot[bot]