Dart: Update mojo_sdk package version

Review URL: https://codereview.chromium.org/1960733002 .
diff --git a/mojo/dart/packages/mojo_sdk/CHANGELOG.md b/mojo/dart/packages/mojo_sdk/CHANGELOG.md
index 48a5ffa..cff0585 100644
--- a/mojo/dart/packages/mojo_sdk/CHANGELOG.md
+++ b/mojo/dart/packages/mojo_sdk/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.2.24
+
+  - 125 changes: https://github.com/domokit/mojo/compare/e4d03ca...e95b5db
+
+  MOJO_SDK: e95b5dbca09e6c189ca497e41a6a01b20b536f14
+
 ## 0.2.23
 
   - 39 changes: https://github.com/domokit/mojo/compare/ccedda3...2f662f4
diff --git a/mojo/dart/packages/mojo_sdk/pubspec.yaml b/mojo/dart/packages/mojo_sdk/pubspec.yaml
index 9b65455..6307524 100644
--- a/mojo/dart/packages/mojo_sdk/pubspec.yaml
+++ b/mojo/dart/packages/mojo_sdk/pubspec.yaml
@@ -1,8 +1,8 @@
 author: Chromium Authors <mojo-dev@googlegroups.com>
 dependencies:
-  mojo: 0.4.19
-  mojo_services: 0.4.26
+  mojo: 0.4.20
+  mojo_services: 0.4.27
 description: A meta package for the Dart Mojo SDK
 homepage: https://github.com/domokit/mojo
 name: mojo_sdk
-version: 0.2.23
+version: 0.2.24