Pass validateDefaultNpmLocation to ts 3.4.4

https://github.com/Microsoft/TypeScript/pull/30910/

extensions/typescript-language-features/src/tsServer/server.ts

@@ -209,6 +209,10 @@ export class TypeScriptServerSpawner {
 			args.push('--noGetErrOnBackgroundUpdate');
 		}
 
+		if (apiVersion.gte(API.v344)) {
+			args.push('--validateDefaultNpmLocation');
+		}
+
 		return { args, cancellationPipeName, tsServerLogFile };
 	}
 

extensions/typescript-language-features/src/utils/api.ts

@@ -36,6 +36,7 @@ export default class API {
 	public static readonly v330 = API.fromSimpleString('3.3.0');
 	public static readonly v333 = API.fromSimpleString('3.3.3');
 	public static readonly v340 = API.fromSimpleString('3.4.0');
+	public static readonly v344 = API.fromSimpleString('3.4.4');
 	public static readonly v350 = API.fromSimpleString('3.5.0');