bump package:analyzer version in dependencies of analyzer_plugin to support new property names

Closes https://github.com/dart-lang/sdk/pull/49552

GitOrigin-RevId: 0ec4467d3490e25bc9ad16d46e60ff7d5946a003
Change-Id: I894ac1f2ab128ed5638d96f39b65f59e80e77821
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/252920
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
diff --git a/pkg/analyzer_plugin/pubspec.yaml b/pkg/analyzer_plugin/pubspec.yaml
index ad43abd..29516fa 100644
--- a/pkg/analyzer_plugin/pubspec.yaml
+++ b/pkg/analyzer_plugin/pubspec.yaml
@@ -7,7 +7,7 @@
   sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
-  analyzer: ^4.1.0
+  analyzer: ^4.3.0
   collection: ^1.15.0
   dart_style: ^2.2.1
   pub_semver: ^2.0.0