update the changelog

CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 05fc1df..89b5aec 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## v2.0.3-dev
+- Updated the value of the pubspec `repository` field.
+
 ## v2.0.2
 - Fix trailing whitespace after adding new key with block-value to map
   ([#15](https://github.com/dart-lang/yaml_edit/issues/15)).

pubspec.yaml

diff --git a/pubspec.yaml b/pubspec.yaml
index 0670dc7..3887277 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: yaml_edit
-version: 2.0.2
+version: 2.0.3-dev
 description: A library for YAML manipulation with comment and whitespace preservation.
 repository: https://github.com/dart-lang/yaml_edit
 issue_tracker: https://github.com/dart-lang/yaml_edit/issues