Upgrade analysis SDKs (#7619)

CHANGELOG.md

@@ -2,6 +2,9 @@ Important changes to data models, configuration, and migrations between each
 AppEngine version, listed here to ease deployment and troubleshooting.
 
 ## Next Release (replace with git tag when deployed)
+ * Bumped runtimeVersion to `2024.04.08`.
+ * Upgraded stable Dart analysis SDK to `3.3.3`
+ * Upgraded stable Flutter analysis SDK to `3.19.5`.
 
 ## `20240325t103500-all`
  * Bumped runtimeVersion to `2024.03.21`.

Dockerfile.worker

@@ -22,10 +22,10 @@ RUN mkdir -p /home/worker/config/dart-stable
 RUN mkdir -p /home/worker/config/flutter-stable
 
 # Setup Dart SDK into /home/worker/dart/{stable,preview}/
-RUN XDG_CONFIG_HOME=/home/worker/config/dart-stable tool/setup-dart.sh /home/worker/dart/stable 3.3.1
+RUN XDG_CONFIG_HOME=/home/worker/config/dart-stable tool/setup-dart.sh /home/worker/dart/stable 3.3.3
 
 # Setup Flutter SDK into /home/worker/flutter/{stable,preview}/
-RUN XDG_CONFIG_HOME=/home/worker/config/flutter-stable tool/setup-flutter.sh /home/worker/flutter/stable 3.19.3
+RUN XDG_CONFIG_HOME=/home/worker/config/flutter-stable tool/setup-flutter.sh /home/worker/flutter/stable 3.19.5
 
 # Setup webp
 RUN tool/setup-webp.sh /home/worker/bin

app/lib/shared/versions.dart

@@ -24,7 +24,7 @@ final RegExp runtimeVersionPattern = RegExp(r'^\d{4}\.\d{2}\.\d{2}$');
 /// when the version switch happens.
 const _acceptedRuntimeVersions = <String>[
   // The current [runtimeVersion].
-  '2024.03.21',
+  '2024.04.08',
   // Fallback runtime versions.
   '2024.03.12',
   '2024.03.05',
@@ -62,8 +62,8 @@ bool shouldGCVersion(String version) =>
 
 // keep in-sync with SDK version in .mono_repo.yml and Dockerfile
 final String runtimeSdkVersion = '3.3.0';
-final String toolStableDartSdkVersion = '3.3.1';
-final String toolStableFlutterSdkVersion = '3.19.3';
+final String toolStableDartSdkVersion = '3.3.3';
+final String toolStableFlutterSdkVersion = '3.19.5';
 
 final semanticToolStableDartSdkVersion =
     Version.parse(toolStableDartSdkVersion);