Move to a newer version of QTest (#1012)

* Move to a newer version of QTest

* Updated gfmanifest

cg/nuget/cgmanifest.json

@@ -123,7 +123,7 @@
         "Type": "NuGet",
         "NuGet": {
           "Name": "CB.QTest",
-          "Version": "19.9.6.1149"
+          "Version": "19.10.5.1051"
         }
       }
     },

config.microsoftInternal.dsc

@@ -14,7 +14,7 @@ export const pkgs = isMicrosoftInternal ? [
     { id: "runtime.osx-x64.BuildXL", version: "2.0.99" },
     { id: "Aria.Cpp.SDK", version: "8.5.6" },
 
-    { id: "CB.QTest", version: "19.9.6.1149" },
+    { id: "CB.QTest", version: "19.10.5.1051" },
 
     { id: "BuildXL.Tracing.AriaTenantToken", version: "1.0.0" },