Add DevTools release notes for 2.54.0

[elliette]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @elliette, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces the official release notes for DevTools version 2.54.0. The new document details various improvements and bug fixes across different DevTools functionalities, including general connectivity, inspector warnings, memory tool stability, and enhanced deep links tool diagnostics.

Highlights

• General Updates: Dropped connections to DTD will now automatically be retried to improve the experience when your machine is resumed from sleep.
• Inspector Updates: A warning banner has been added indicating that the legacy inspector will be removed in a future release.
• Memory Updates: An error preventing users from changing the zoom duration has been fixed.
• Deep Links Tool Updates: More informative dialogs are now displayed if the Deep Links tool is unable to find build options for iOS or Android apps.
• Deep Links Tool Updates: A null error encountered when parsing universal link settings has been fixed.

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[flutter-website-bot]

Visit the preview URL for this PR (updated for commit b4af985):

https://flutter-docs-prod--pr12889-devtools-release-notes-2-54-4rpaemqv.web.app

[parlough]

Thanks @elliette, looks good to me!

I pushed some small cleanup and opened a PR against the DevTools repository with some corresponding updates flutter/devtools#9605