Publish stable version of stream_transform (dart-lang/stream_transform#128)

pkgs/stream_transform/CHANGELOG.md

diff --git a/pkgs/stream_transform/CHANGELOG.md b/pkgs/stream_transform/CHANGELOG.md
index 7b68aa5..5a59f6f 100644
--- a/pkgs/stream_transform/CHANGELOG.md
+++ b/pkgs/stream_transform/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 2.0.0-nullsafety.0
+## 2.0.0
 
 - Migrate to null safety.
 - Improve tests of `switchMap` and improve documentation with links and

pkgs/stream_transform/pubspec.yaml

diff --git a/pkgs/stream_transform/pubspec.yaml b/pkgs/stream_transform/pubspec.yaml
index 4e5b379..98086c5 100644
--- a/pkgs/stream_transform/pubspec.yaml
+++ b/pkgs/stream_transform/pubspec.yaml
@@ -1,12 +1,12 @@
 name: stream_transform
 description: A collection of utilities to transform and manipulate streams.
-homepage: https://github.com/dart-lang/stream_transform
-version: 2.0.0-nullsafety.0
+repository: https://github.com/dart-lang/stream_transform
+version: 2.0.0
 
 environment:
   sdk: ">=2.12.0-0 <3.0.0"
 
 dev_dependencies:
-  async: ^2.5.0-nullsafety
-  pedantic: ^1.10.0-nullsafety
-  test: ^1.16.0-nullsafety
+  async: ^2.5.0
+  pedantic: ^1.10.0
+  test: ^1.16.0