Prepare DWDS for release to version 23.0.0 (#2318)

Author: elliette

dwds/CHANGELOG.md

@@ -1,7 +1,7 @@
-## 23.0.0-wip
+## 23.0.0
 - Restructure `LoadStrategy` to provide build settings. - [#2270](https://github.com/dart-lang/webdev/pull/2270)
 - Add `FrontendServerLegacyStrategyProvider` and update bootstrap generation logic for `LegacyStrategy` - [#2285](https://github.com/dart-lang/webdev/pull/2285)
-- Tolerate failures to detect a dart execution context. - [#2286](https://github.com/dart-lang/webdev/pull/2286)
+- Tolerate failures to detect a Dart execution context. - [#2286](https://github.com/dart-lang/webdev/pull/2286)
 - Fix a null cast error when debugging a `Class` from VS Code. - [#2303](https://github.com/dart-lang/webdev/pull/2303)
 
 ## 22.1.0