Bump quiche from 0.20.0 to 0.20.1 (#4662)

Bumps [quiche](https://github.com/cloudflare/quiche) from 0.20.0 to 0.20.1.
- [Release notes](https://github.com/cloudflare/quiche/releases)
- [Commits](cloudflare/quiche@0.20.0...0.20.1)

---
updated-dependencies:
- dependency-name: quiche
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: AurelienFT <[email protected]>