Update DevTools version to 2.53.0-dev.0 (#9509)

packages/devtools_app/lib/devtools.dart

diff --git a/packages/devtools_app/lib/devtools.dart b/packages/devtools_app/lib/devtools.dart
index f54f77c..832b0ed 100644
--- a/packages/devtools_app/lib/devtools.dart
+++ b/packages/devtools_app/lib/devtools.dart
@@ -10,4 +10,4 @@
 /// Note: a regexp in the `dt update-version' command logic matches the constant
 /// declaration `const version =`. If you change the declaration you must also
 /// modify the regex in the `dt update-version' command logic.
-const version = '2.52.0';
+const version = '2.53.0-dev.0';

packages/devtools_app/pubspec.yaml

diff --git a/packages/devtools_app/pubspec.yaml b/packages/devtools_app/pubspec.yaml
index ccbdba9..939f4a4 100644
--- a/packages/devtools_app/pubspec.yaml
+++ b/packages/devtools_app/pubspec.yaml
@@ -7,7 +7,7 @@
 
 # Note: this version should only be updated by running the 'dt update-version'
 # command that updates the version here and in 'devtools.dart'.
-version: 2.52.0
+version: 2.53.0-dev.0
 
 repository: https://github.com/flutter/devtools/tree/master/packages/devtools_app
 

packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md

diff --git a/packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md b/packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md
index 71b8695..460800d 100644
--- a/packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md
+++ b/packages/devtools_app/release_notes/NEXT_RELEASE_NOTES.md
@@ -6,19 +6,16 @@
 This is draft for future release notes, that are going to land on
 [the Flutter website](https://docs.flutter.dev/tools/devtools/release-notes).
 
-# DevTools 2.52.0 release notes
+# DevTools 2.53.0 release notes
 
-The 2.52.0 release of the Dart and Flutter DevTools
+The 2.53.0 release of the Dart and Flutter DevTools
 includes the following changes among other general improvements.
 To learn more about DevTools, check out the
 [DevTools overview](/tools/devtools/overview).
 
 ## General updates
 
-- Added a horizontal scrollbar to data tables to help with navigation.  -
-  [#9482](https://github.com/flutter/devtools/pull/9482)
-- Made it possible to resize data table columns by dragging the header separators.  -
-  [#9845](https://github.com/flutter/devtools/pull/9485)
+TODO: Remove this section if there are not any general updates.
 
 ## Inspector updates
 
@@ -42,12 +39,7 @@
 
 ## Network profiler updates
 
-* Fixed layout of the "error count" badge in the tab name. -
-  [#9470](https://github.com/flutter/devtools/pull/9470)
-* Fixed display of "Response Headers" and "Request Headers" when there are no
-  headers. - [#9492](https://github.com/flutter/devtools/pull/9492)
-* Added a banner to clearly indicate when DevTools is not logging network
-  requests. - [#9495](https://github.com/flutter/devtools/pull/9495)
+TODO: Remove this section if there are not any general updates.
 
 ## Logging updates
 
@@ -61,11 +53,9 @@
 
 TODO: Remove this section if there are not any general updates.
 
-## VS Code updates
+## VS Code Sidebar updates
 
-- On macOS, shortcuts like `Cmd`+`C` and `Cmd`+`V` now work when DevTools is
-  embedded inside VS Code -
-  [#9472](https://github.com/flutter/devtools/pull/9472)
+TODO: Remove this section if there are not any general updates.
 
 ## DevTools Extension updates
 
@@ -78,4 +68,4 @@
 ## Full commit history
 
 To find a complete list of changes in this release, check out the
-[DevTools git log](https://github.com/flutter/devtools/tree/v2.52.0).
+[DevTools git log](https://github.com/flutter/devtools/tree/v2.53.0).