cargo(deps): bump yew-router from 0.19.0 to 0.20.0

Bumps [yew-router](https://github.com/yewstack/yew) from 0.19.0 to 0.20.0.
- [Release notes](https://github.com/yewstack/yew/releases)
- [Changelog](https://github.com/yewstack/yew/blob/master/CHANGELOG.md)
- [Commits](yewstack/yew@yew-router-v0.19.0...yew-router-v0.20.0)

---
updated-dependencies:
- dependency-name: yew-router
  dependency-version: 0.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -7,7 +7,7 @@ license = "AGPL-3"
 [dependencies]
 rustmail_types = { path = "../rustmail_types" }
 yew = { version = "0.23.0", features = ["csr"] }
-yew-router = "0.19.0"
+yew-router = "0.20.0"
 wasm-bindgen-futures = "0.4.56"
 gloo-net = "0.6.0"
 gloo-utils = "0.2.0"