upgrade stryer

Author: MelbourneDeveloper

.config/dotnet-tools.json

@@ -17,7 +17,7 @@
       "rollForward": false
     },
     "dotnet-stryker": {
-      "version": "4.8.1",
+      "version": "4.11.0",
       "commands": [
         "dotnet-stryker"
       ],