Add CHANGELOG entry for https://github.com/dart-lang/browser_launcher/pull/63 and publish 1.2.2 (dart-lang/browser_launcher#64)

diff --git a/pkgs/browser_launcher/CHANGELOG.md b/pkgs/browser_launcher/CHANGELOG.md
index cb3fbe6..4fb8a35 100644
--- a/pkgs/browser_launcher/CHANGELOG.md
+++ b/pkgs/browser_launcher/CHANGELOG.md
@@ -1,9 +1,10 @@
-## 1.1.2-wip
+## 1.1.2
 
 - Require Dart 3.4
 - Log errors from chrome
 - Allow tests to detect headless-only environment (for CI).
 - Add extra flags that may help disable additional throttling in background tabs
+- Add `--use-mock-keychain` flag to avoid blocking dialog on MacOS.
 
 ## 1.1.1
 
diff --git a/pkgs/browser_launcher/pubspec.yaml b/pkgs/browser_launcher/pubspec.yaml
index 39a4d31..39da2c9 100644
--- a/pkgs/browser_launcher/pubspec.yaml
+++ b/pkgs/browser_launcher/pubspec.yaml
@@ -1,5 +1,5 @@
 name: browser_launcher
-version: 1.1.2-wip
+version: 1.1.2
 description: Provides a standardized way to launch web browsers for testing and tools.
 repository: https://github.com/dart-lang/browser_launcher