Bump webtest from 3.0.0 to 3.0.1

Bumps [webtest](https://github.com/Pylons/webtest) from 3.0.0 to 3.0.1.
- [Commits](Pylons/webtest@3.0.0...3.0.1)

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

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