chore(deps-dev): bump testdouble from 3.20.0 to 3.20.1

Bumps [testdouble](https://github.com/testdouble/testdouble.js) from 3.20.0 to 3.20.1.
- [Changelog](https://github.com/testdouble/testdouble.js/blob/main/CHANGELOG.md)
- [Commits](testdouble/testdouble.js@v3.20.0...v3.20.1)

---
updated-dependencies:
- dependency-name: testdouble
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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