Update vm service version for DDS

Change-Id: Ie26f64d629c0d1a319f90e2d0eb3b22caa981c93
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/248360
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Ben Konyi <bkonyi@google.com>

pkg/dds/CHANGELOG.md

@@ -1,3 +1,6 @@
+# 2.2.2
+- Updated `vm_service` version to 9.0.0.
+
 # 2.2.1
 - Reduce latency of `streamListen` calls through improved locking behavior.
 

pkg/dds/pubspec.yaml

@@ -1,5 +1,5 @@
 name: dds
-version: 2.2.1
+version: 2.2.2
 description: >-
   A library used to spawn the Dart Developer Service, used to communicate with
   a Dart VM Service instance.
@@ -26,7 +26,7 @@ dependencies:
   sse: ^4.0.0
   stack_trace: ^1.10.0
   stream_channel: ^2.0.0
-  vm_service: ^8.1.0
+  vm_service: ^9.0.0
   web_socket_channel: ^2.0.0
 
 # We use 'any' version constraints here as we get our package versions from