[devtools_app_shared] Fix repository in pubspec (#7169)

packages/devtools_app_shared/pubspec.yaml

diff --git a/packages/devtools_app_shared/pubspec.yaml b/packages/devtools_app_shared/pubspec.yaml
index 006956b..1b133ca 100644
--- a/packages/devtools_app_shared/pubspec.yaml
+++ b/packages/devtools_app_shared/pubspec.yaml
@@ -1,7 +1,7 @@
 name: devtools_app_shared
 description: Package of Dart & Flutter structures shared between devtools_app and devtools extensions.
 version: 0.0.10-wip
-repository: https://github.com/flutter/devtools/tree/master/packages/devtools_extensions
+repository: https://github.com/flutter/devtools/tree/master/packages/devtools_app_shared
 
 environment:
   sdk: '>=3.3.0-91.0.dev <4.0.0'
@@ -58,4 +58,4 @@
 
 dependency_overrides:
   devtools_shared:
-    path: ../devtools_shared
\ No newline at end of file
+    path: ../devtools_shared