[package:vm_service] Prepare to publish v11.8.0

Change-Id: I1f3eb5ff1177ff020a053e76637e58a1c48dbbe6
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/313643
Reviewed-by: Ben Konyi <bkonyi@google.com>
Commit-Queue: Derek Xu <derekx@google.com>

pkg/vm_service/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 11.8.0
+- Update to version `4.11` of the spec.
+- Add `isGetter` and `isSetter` properties to `FuncRef` and `Func`.
+
 ## 11.7.3
 - Update to version `4.10` of the spec.
 - Add deprecation notice to `Breakpoint.isSyntheticAsyncContinuation`.

pkg/vm_service/pubspec.yaml

@@ -1,5 +1,5 @@
 name: vm_service
-version: 11.7.3
+version: 11.8.0
 description: >-
   A library to communicate with a service implementing the Dart VM
   service protocol.