Dart: Bump mojo_sdk package version

Review URL: https://codereview.chromium.org/1993773002 .

mojo/dart/packages/mojo_sdk/CHANGELOG.md

diff --git a/mojo/dart/packages/mojo_sdk/CHANGELOG.md b/mojo/dart/packages/mojo_sdk/CHANGELOG.md
index 58650aa..f95fc11 100644
--- a/mojo/dart/packages/mojo_sdk/CHANGELOG.md
+++ b/mojo/dart/packages/mojo_sdk/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.2.26
+
+  - 21 changes: https://github.com/domokit/mojo/compare/ef526bb...107bac0
+
+  MOJO_SDK: 107bac064ffded510eb8a893f5beb3faa4b7324a
+
 ## 0.2.25
 
   - 32 changes: https://github.com/domokit/mojo/compare/c7c9fc0...12d71ee

mojo/dart/packages/mojo_sdk/pubspec.yaml

diff --git a/mojo/dart/packages/mojo_sdk/pubspec.yaml b/mojo/dart/packages/mojo_sdk/pubspec.yaml
index ad34297..1ecdda8 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: 0.4.21
-  mojo_services: 0.4.28
+  mojo: 0.4.22
+  mojo_services: 0.4.29
 description: A meta package for the Dart Mojo SDK
 homepage: https://github.com/domokit/mojo
 name: mojo_sdk
-version: 0.2.25
+version: 0.2.26