Update Flutter candidate version (#9735)

.gitignore

diff --git a/.gitignore b/.gitignore
index cc7e959..2a11997 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,3 +51,7 @@
 
 # Ignore devtools_options.yaml files under example.
 **/example/**/devtools_options.yaml
+
+# macOS generated Flutter files
+**/macos/Flutter/ephemeral/
+**/macos/Flutter/GeneratedPluginRegistrant.swift

flutter-candidate.txt

diff --git a/flutter-candidate.txt b/flutter-candidate.txt
index 97c660e..366d502 100644
--- a/flutter-candidate.txt
+++ b/flutter-candidate.txt
@@ -1 +1 @@
-f84b3c836acca76cb163a2d1174ab32a1e73cb11
+c6cec79f1f5d4ea1242936c7574af02bd39207c4

packages/devtools_app/lib/src/framework/observer/_memory_web.dart

diff --git a/packages/devtools_app/lib/src/framework/observer/_memory_web.dart b/packages/devtools_app/lib/src/framework/observer/_memory_web.dart
index 251cfb6..c6e56a3 100644
--- a/packages/devtools_app/lib/src/framework/observer/_memory_web.dart
+++ b/packages/devtools_app/lib/src/framework/observer/_memory_web.dart
@@ -65,8 +65,7 @@
 @JS()
 extension type _UserAgentSpecificMemoryBreakdownAttributionContainerElement._(
   JSObject _
-)
-    implements JSObject {
+) implements JSObject {
   external String get id;
 
   external String get url;