chore: bump stamina from 25.2.0 to 26.1.0

Bumps [stamina](https://github.com/hynek/stamina) from 25.2.0 to 26.1.0.
- [Release notes](https://github.com/hynek/stamina/releases)
- [Changelog](https://github.com/hynek/stamina/blob/main/CHANGELOG.md)
- [Commits](hynek/stamina@25.2.0...26.1.0)

---
updated-dependencies:
- dependency-name: stamina
  dependency-version: 26.1.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]