Update webpki-roots requirement from 0.22 to 0.23 (#343)

Updates the requirements on [webpki-roots](https://github.com/rustls/webpki-roots) to permit the latest version.
- [Release notes](https://github.com/rustls/webpki-roots/releases)
- [Commits](https://github.com/rustls/webpki-roots/commits)

---
updated-dependencies:
- dependency-name: webpki-roots
  dependency-type: direct:production
...

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Cargo.toml

@@ -58,7 +58,7 @@ version = "0.22"
 
 [dependencies.webpki-roots]
 optional = true
-version = "0.22"
+version = "0.23"
 
 [dev-dependencies]
 criterion = "0.4.0"