Add DevTools release notes for 2.54.0

src/content/tools/devtools/release-notes/release-notes-2.54.0.md

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+---
+title: DevTools 2.54.0 release notes
+shortTitle: 2.54.0 release notes
+breadcrumb: 2.54.0
+showToc: false
+---
+
+The 2.54.0 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
+
+- Dropped connections to DTD will now automatically be retried to improve the
+  experience when your machine is resumed from sleep. -
+  [#9587](https://github.com/flutter/devtools/pull/9587)
+
+## Inspector updates
+
+- Added a warning banner that the legacy inspector
+  will be removed in a future release. -
+  [#9572](https://github.com/flutter/devtools/pull/9572)
+
+## Memory updates
+
+- Fixed an error preventing users from changing the zoom duration. -
+  [#9573](https://github.com/flutter/devtools/pull/9573)
+
+## Deep links tool updates
+
+- Added a more informative dialog if the Deep Links tool is
+  unable to find build options for the iOS or Android app. -
+  [#9571](https://github.com/flutter/devtools/pull/9571)
+- Fixed null error when parsing universal link settings. -
+  [#9581](https://github.com/flutter/devtools/pull/9581)
+
+## 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/v2.54.0).