Bump version from 2.23.0-dev.3 to 2.23.0-dev.4 (#5362)

Bump version from 2.23.0-dev.3 to 2.23.0-dev.4
diff --git a/packages/devtools_app/lib/devtools.dart b/packages/devtools_app/lib/devtools.dart
index d41a3a9..85d91ed 100644
--- a/packages/devtools_app/lib/devtools.dart
+++ b/packages/devtools_app/lib/devtools.dart
@@ -9,4 +9,4 @@
 // the constant declaration `const String version =`.
 // If you change the declaration you must also modify the regex in
 // tools/update_version.dart.
-const String version = '2.23.0-dev.3';
+const String version = '2.23.0-dev.4';
diff --git a/packages/devtools_app/pubspec.yaml b/packages/devtools_app/pubspec.yaml
index 503ab01..6bbe129 100644
--- a/packages/devtools_app/pubspec.yaml
+++ b/packages/devtools_app/pubspec.yaml
@@ -4,7 +4,7 @@
 
 # Note: this version should only be updated by running tools/update_version.dart
 # that updates all versions of devtools packages (devtools_app, devtools_test).
-version: 2.23.0-dev.3
+version: 2.23.0-dev.4
 
 repository: https://github.com/flutter/devtools/tree/master/packages/devtools_app
 
@@ -25,7 +25,7 @@
   collection: ^1.15.0
   dds: ^2.7.2
   dds_service_extensions: ^1.3.2
-  devtools_shared: 2.23.0-dev.3
+  devtools_shared: 2.23.0-dev.4
   file: ^6.0.0
   file_selector: ^0.8.0
   file_selector_linux: ^0.0.2
@@ -64,7 +64,7 @@
 
 dev_dependencies:
   build_runner: ^2.3.3
-  devtools_test: 2.23.0-dev.3
+  devtools_test: 2.23.0-dev.4
   fake_async: ^1.3.1
   flutter_test:
     sdk: flutter
diff --git a/packages/devtools_shared/pubspec.yaml b/packages/devtools_shared/pubspec.yaml
index 5ad886b..edec39f 100644
--- a/packages/devtools_shared/pubspec.yaml
+++ b/packages/devtools_shared/pubspec.yaml
@@ -1,7 +1,7 @@
 name: devtools_shared
 description: Package of shared structures between devtools_app, dds, and other tools.
 
-version: 2.23.0-dev.3
+version: 2.23.0-dev.4
 
 repository: https://github.com/flutter/devtools/tree/master/packages/devtools_shared
 
diff --git a/packages/devtools_test/pubspec.yaml b/packages/devtools_test/pubspec.yaml
index 803df4d..c5c49e4 100644
--- a/packages/devtools_test/pubspec.yaml
+++ b/packages/devtools_test/pubspec.yaml
@@ -7,7 +7,7 @@
 # When publishing new versions of this package be sure to publish a new version
 # of package:devtools as well. package:devtools contains a compiled snapshot of
 # this package.
-version: 2.23.0-dev.3
+version: 2.23.0-dev.4
 
 repository: https://github.com/flutter/devtools/tree/master/packages/devtools_test
 
@@ -18,8 +18,8 @@
 dependencies:
   async: ^2.0.0
   collection: ^1.15.0
-  devtools_shared: 2.23.0-dev.3
-  devtools_app: 2.23.0-dev.3
+  devtools_shared: 2.23.0-dev.4
+  devtools_app: 2.23.0-dev.4
   flutter:
     sdk: flutter
   flutter_test: