Bump actix-web-lab from 0.20.0 to 0.20.1

Bumps [actix-web-lab](https://github.com/robjtede/actix-web-lab) from 0.20.0 to 0.20.1.
- [Release notes](https://github.com/robjtede/actix-web-lab/releases)
- [Commits](https://github.com/robjtede/actix-web-lab/commits)

---
updated-dependencies:
- dependency-name: actix-web-lab
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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