Use a literal string for ArrayBuffer's toStringTag

src/lib/es2015.symbol.wellknown.d.ts

@@ -251,7 +251,7 @@ interface String {
 }
 
 interface ArrayBuffer {
-    readonly [Symbol.toStringTag]: string;
+    readonly [Symbol.toStringTag]: "ArrayBuffer";
 }
 
 interface DataView<TArrayBuffer extends ArrayBufferLike> {