Roll forward vm_service and dds deps (#1485)

diff --git a/dwds/CHANGELOG.md b/dwds/CHANGELOG.md
index b4a35b6..db0b228 100644
--- a/dwds/CHANGELOG.md
+++ b/dwds/CHANGELOG.md
@@ -1,7 +1,7 @@
 ## 12.0.0-dev
 
 - Implement `lookupResolvedPackageUris` and `lookupPackageUris` vm service API.
-- Update `vm_service` version to `^7.5.0`.
+- Update `vm_service` version to `^8.1.0`.
 - Make `ExpressionCompilerService` infer location of `libraries.json` from
   `sdkDir` parameter.
 - Show an alert in the Dart Debug Extension for a multi-app scenario.
diff --git a/dwds/pubspec.yaml b/dwds/pubspec.yaml
index 0b77503..a63542c 100644
--- a/dwds/pubspec.yaml
+++ b/dwds/pubspec.yaml
@@ -15,7 +15,7 @@
   built_collection: ^5.0.0
   built_value: '>=6.7.0 <9.0.0'
   crypto: '>=2.0.6 <4.0.0'
-  dds: ^2.1.1
+  dds: ^2.1.6
   http: '>=0.12.0 <0.14.0'
   http_multi_server: ^3.0.0
   logging: '>=0.11.3 <2.0.0'
@@ -33,7 +33,7 @@
   stack_trace: ^1.10.0
   sse: ^4.1.0
   uuid: '>=2.0.0 <4.0.0'
-  vm_service: ^7.5.0
+  vm_service: ^8.1.0
   web_socket_channel: ^2.0.0
   webkit_inspection_protocol: ^1.0.0
 
@@ -54,5 +54,5 @@
   test: ^1.6.0
   webdriver: '>=2.0.0 <4.0.0'
   # devtools_server indirectly depends on devtools so keep this around.
-  devtools: ^2.0.0
-  devtools_server: ^2.0.0
+  devtools: ^2.9.3
+  devtools_server: ^2.9.3
diff --git a/webdev/CHANGELOG.md b/webdev/CHANGELOG.md
index 65d8e2d..b0c3101 100644
--- a/webdev/CHANGELOG.md
+++ b/webdev/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.7.8-dev
+
+- Update `vm_service` to `^8.1.0`.
+
 ## 2.7.7
 
 - Handle and log http request serving errors.
diff --git a/webdev/lib/src/version.dart b/webdev/lib/src/version.dart
index 35f1b39..99795e1 100644
--- a/webdev/lib/src/version.dart
+++ b/webdev/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '2.7.7';
+const packageVersion = '2.7.8-dev';
diff --git a/webdev/pubspec.yaml b/webdev/pubspec.yaml
index bf8e222..8ba1b96 100644
--- a/webdev/pubspec.yaml
+++ b/webdev/pubspec.yaml
@@ -1,6 +1,6 @@
 name: webdev
 # Every time this changes you need to run `dart run build_runner build`.
-version: 2.7.7
+version: 2.7.8-dev
 # We should not depend on a dev SDK before publishing.
 # publish_to: none
 homepage: https://github.com/dart-lang/webdev
@@ -17,7 +17,7 @@
   build_daemon: '>=2.0.0 <4.0.0'
   browser_launcher: ^1.0.0
   crypto: ^3.0.0
-  dds: ^2.0.0
+  dds: ^2.1.6
   dwds: ^11.5.1
   http: ^0.13.0
   http_multi_server: ^3.0.0
@@ -33,7 +33,7 @@
   shelf_static: ^1.0.0
   stack_trace: ^1.10.0
   sse: ^4.1.0
-  vm_service: '>=3.0.0 <8.0.0'
+  vm_service: '>=3.0.0 <9.0.0'
   webkit_inspection_protocol: '>=0.4.0 <2.0.0'
   yaml: ^3.0.0
   # devtools_server indirectly depends on devtools so keep this around.