[stable] [hotfix] Flutter Release Version 3.47.4 #192589

Flutter Release

Candidate Branch: flutter-3.47-candidate.0
Tag: 3.47.4

📋 Release Checklist

Update release branch

• Merge outstanding cherry-picks
• Update Dart version if necessary (GH Workflow)
  • Dart Hash: [Paste the Dart hash here]
• Pin engine hash in engine.version if necessary(GH Workflow)
• Add changelog for stable release

Validate and publish release

• Run postsubmits and validate they are all passing on the Flutter Dashboard
• Push release with MPA
• Check for the new versions on the Flutter SDK Archive
• Announce the release on Discord
• Announce the release on Google internal channels
• Announce the release on flutter-announce mailing list
• Merge the changelog back to the master branch