rev webkit_inspection_protocol (#1237)

diff --git a/pkgs/test/pubspec.yaml b/pkgs/test/pubspec.yaml
index c9edad1..2dc5a92 100644
--- a/pkgs/test/pubspec.yaml
+++ b/pkgs/test/pubspec.yaml
@@ -30,7 +30,7 @@
   stream_channel: '>=1.7.0 <3.0.0'
   typed_data: ^1.0.0
   web_socket_channel: ^1.0.0
-  webkit_inspection_protocol: ^0.5.0
+  webkit_inspection_protocol: ">=0.5.0 <0.8.0"
   yaml: ^2.0.0
   # Use an exact version until the test_api and test_core package are stable.
   test_api: 0.2.15