Update CHANGELOG.md (dart-lang/yaml_edit#82)

pkgs/yaml_edit/CHANGELOG.md

diff --git a/pkgs/yaml_edit/CHANGELOG.md b/pkgs/yaml_edit/CHANGELOG.md
index 422afe1..8ae3c66 100644
--- a/pkgs/yaml_edit/CHANGELOG.md
+++ b/pkgs/yaml_edit/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 2.2.2-wip
+- Suppress warnings previously printed to `stdout` when parsing YAML internally.
+
 ## 2.2.1
 
 - Require Dart 3.0

pkgs/yaml_edit/pubspec.yaml

diff --git a/pkgs/yaml_edit/pubspec.yaml b/pkgs/yaml_edit/pubspec.yaml
index e9b1654..be7139b 100644
--- a/pkgs/yaml_edit/pubspec.yaml
+++ b/pkgs/yaml_edit/pubspec.yaml
@@ -1,5 +1,5 @@
 name: yaml_edit
-version: 2.2.1
+version: 2.2.2-wip
 description: >-
   A library for YAML manipulation with comment and whitespace preservation.
 repository: https://github.com/dart-lang/yaml_edit