DYN-9958 WebView2 Cache Folder Location Code Review

string interpolation instead of String.Format for better readability

Author: RobertGlobant20

src/DynamoCoreWpf/UI/HostStartup.cs

@@ -62,16 +62,14 @@ public static string GetUserDirectory()
             {
                 var version = Current.HostInfo.Value.HostVersion;
 
-                return Path.Combine(Current.UserDataFolder,
-                                String.Format("{0}.{1}", version.Major, version.Minor));
+                return Path.Combine(Current.UserDataFolder,$"{version.Major}.{version.Minor}");
             }
             else
             {
                 var version = AssemblyHelper.GetDynamoVersion();
 
                 var folder = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
-                return Path.Combine(Path.Combine(folder, Configurations.DynamoAsString, "Dynamo Core"),
-                                String.Format("{0}.{1}", version.Major, version.Minor));
+                return Path.Combine(Path.Combine(folder, Configurations.DynamoAsString, "Dynamo Core"), $"{version.Major}.{version.Minor}");
             }
 
         }