[coverage] Prepare to publish (#2070)

diff --git a/pkgs/coverage/CHANGELOG.md b/pkgs/coverage/CHANGELOG.md
index 7c880fb..b6c93f4 100644
--- a/pkgs/coverage/CHANGELOG.md
+++ b/pkgs/coverage/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 1.12.0-wip
+## 1.12.0
 
 - Introduced support for specifying coverage flags through a YAML file.
 - Fix a [bug](https://github.com/dart-lang/tools/issues/2049) where coverage
diff --git a/pkgs/coverage/pubspec.yaml b/pkgs/coverage/pubspec.yaml
index af9790c..6bd4524 100644
--- a/pkgs/coverage/pubspec.yaml
+++ b/pkgs/coverage/pubspec.yaml
@@ -1,5 +1,5 @@
 name: coverage
-version: 1.12.0-wip
+version: 1.12.0
 description: Coverage data manipulation and formatting
 repository: https://github.com/dart-lang/tools/tree/main/pkgs/coverage
 issue_tracker: https://github.com/dart-lang/tools/issues?q=is%3Aissue+is%3Aopen+label%3Apackage%3Acoverage