Update test snapshots

Author: roblourens

src/vs/workbench/contrib/chat/test/common/__snapshots__/ChatService_can_deserialize_with_response.0.snap

@@ -81,7 +81,7 @@
       responseMarkdownInfo: undefined,
       followups: undefined,
       modelState: {
-        value: 1,
+        value: 3,
         completedAt: undefined
       },
       vote: undefined,

src/vs/workbench/contrib/chat/test/common/__snapshots__/ChatService_sendRequest_fails.0.snap

@@ -83,7 +83,7 @@
       responseMarkdownInfo: undefined,
       followups: undefined,
       modelState: {
-        value: 1,
+        value: 3,
         completedAt: undefined
       },
       vote: undefined,