Prepare to publish analyzer_plugin 0.6.0

Change-Id: Ibffb027251f1a6033e80f09dc1cb130d34262c70
Bug: https://github.com/dart-lang/sdk/issues/45236#issuecomment-815514046
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/194542
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
diff --git a/pkg/analyzer_plugin/CHANGELOG.md b/pkg/analyzer_plugin/CHANGELOG.md
index 0fec00f..a2d2707 100644
--- a/pkg/analyzer_plugin/CHANGELOG.md
+++ b/pkg/analyzer_plugin/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.6.0
+- Bug fixes to the protocol.
+
 ## 0.5.0
 - Changed the support version range of the analyzer to `^1.3.0`.
 - Removed `Plugin.fileContentOverlay`, instead `Plugin.resourceProvider` is
diff --git a/pkg/analyzer_plugin/pubspec.yaml b/pkg/analyzer_plugin/pubspec.yaml
index 2572cff..083c022 100644
--- a/pkg/analyzer_plugin/pubspec.yaml
+++ b/pkg/analyzer_plugin/pubspec.yaml
@@ -1,6 +1,6 @@
 name: analyzer_plugin
 description: A framework and support code for building plugins for the analysis server.
-version: 0.5.0
+version: 0.6.0
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/sdk/tree/master/pkg/analyzer_plugin
 
@@ -8,7 +8,7 @@
   sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
-  analyzer: ^1.3.0
+  analyzer: ^1.4.0
   collection: ^1.15.0
   dart_style: ^2.0.0
   pub_semver: ^2.0.0