fix for node v20

generic parameter no longer needed with latest version of TS, but not sure why inclusion was causing a runtime error in node v20 only

Author: yaacovCR

src/jsutils/__tests__/BoxedPromiseOrValue-test.ts

@@ -7,21 +7,21 @@ import { BoxedPromiseOrValue } from '../BoxedPromiseOrValue.js';
 
 describe('BoxedPromiseOrValue', () => {
   it('can box a value', () => {
-    const boxed = new BoxedPromiseOrValue<number>(42);
+    const boxed = new BoxedPromiseOrValue(42);
 
     expect(boxed.value).to.equal(42);
   });
 
   it('can box a promise', () => {
     const promise = Promise.resolve(42);
-    const boxed = new BoxedPromiseOrValue<number>(promise);
+    const boxed = new BoxedPromiseOrValue(promise);
 
     expect(boxed.value).to.equal(promise);
   });
 
   it('resets the boxed value when the passed promise resolves', async () => {
     const promise = Promise.resolve(42);
-    const boxed = new BoxedPromiseOrValue<number>(promise);
+    const boxed = new BoxedPromiseOrValue(promise);
 
     await resolveOnNextTick();