Prepare DWDS for release to version 22.1.0 (#2266)

dwds/CHANGELOG.md

diff --git a/dwds/CHANGELOG.md b/dwds/CHANGELOG.md
index 10c4d6c..631e3a0 100644
--- a/dwds/CHANGELOG.md
+++ b/dwds/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 22.1.0-wip
+## 22.1.0
 - Update `package:vm_service` constraint to `^13.0.0`. - [#2235](https://github.com/dart-lang/webdev/pull/2265)
 
 ## 22.0.0

dwds/ignore_pubspec_overrides.yaml

diff --git a/dwds/pubspec_overrides.yaml b/dwds/ignore_pubspec_overrides.yaml
similarity index 100%
rename from dwds/pubspec_overrides.yaml
rename to dwds/ignore_pubspec_overrides.yaml

dwds/lib/src/version.dart

diff --git a/dwds/lib/src/version.dart b/dwds/lib/src/version.dart
index 393ca46..8896237 100644
--- a/dwds/lib/src/version.dart
+++ b/dwds/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '22.1.0-wip';
+const packageVersion = '22.1.0';

dwds/pubspec.yaml

diff --git a/dwds/pubspec.yaml b/dwds/pubspec.yaml
index e212333..0f99ef1 100644
--- a/dwds/pubspec.yaml
+++ b/dwds/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dwds
 # Every time this changes you need to run `dart run build_runner build`.
-version: 22.1.0-wip
+version: 22.1.0
 description: >-
   A service that proxies between the Chrome debug protocol and the Dart VM
   service protocol.