Roll the path package in web_ui and web_test_utils to match the version used by the framework (flutter#22309)

Author: jason-simmons

lib/web_ui/pubspec.yaml

@@ -14,7 +14,7 @@ dev_dependencies:
   image: 2.1.13
   js: 0.6.1+1
   mockito: 4.1.1
-  path: 1.8.0-nullsafety.2
+  path: 1.8.0-nullsafety.3
   test: 1.14.3
   quiver: 2.1.3
   build_resolvers: 1.3.10

web_sdk/web_test_utils/pubspec.yaml

@@ -4,7 +4,7 @@ environment:
   sdk: ">=2.2.0 <3.0.0"
 
 dependencies:
-  path: 1.8.0-nullsafety.2
+  path: 1.8.0-nullsafety.3
   image: 2.1.13
   js: 0.6.1+1
   yaml: 2.2.1