fix(url-loader): suppress dynamic import warnings from bundlers

Author: ardatan

.changeset/rude-pets-smile.md

@@ -0,0 +1,5 @@
+---
+'@graphql-tools/url-loader': patch
+---
+
+Suppress dynamic import warnings from webpack

packages/loaders/url/src/index.ts

@@ -32,8 +32,8 @@ export { FetchFn };
 export type AsyncImportFn = (moduleName: string) => PromiseLike<any>;
 export type SyncImportFn = (moduleName: string) => any;
 
-const asyncImport: AsyncImportFn = (moduleName: string) => import(moduleName);
-const syncImport: SyncImportFn = (moduleName: string) => require(moduleName);
+const asyncImport: AsyncImportFn = (moduleName: string) => import(`${moduleName}`);
+const syncImport: SyncImportFn = (moduleName: string) => require(`${moduleName}`);
 
 type HeadersConfig = Record<string, string>;