Explicitly import URL

With Yarn PnP, URL is seems to not automatically be
part of the global scope.

Signed-off-by: David Mehren <git@herrmehren.de>

src/frontend-config/frontend-config.dto.ts

@@ -12,6 +12,7 @@ import {
   IsUrl,
   ValidateNested,
 } from 'class-validator';
+import { URL } from 'url';
 
 import { ServerVersion } from '../monitoring/server-status.dto';
 

src/frontend-config/frontend-config.service.ts

@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 import { Inject, Injectable } from '@nestjs/common';
+import { URL } from 'url';
 
 import appConfiguration, { AppConfig } from '../config/app.config';
 import authConfiguration, { AuthConfig } from '../config/auth.config';

src/media/backends/s3-backend.ts

@@ -5,6 +5,7 @@
  */
 import { Inject, Injectable } from '@nestjs/common';
 import { Client } from 'minio';
+import { URL } from 'url';
 
 import mediaConfiguration, { MediaConfig } from '../../config/media.config';
 import { MediaBackendError } from '../../errors/errors';

src/media/backends/webdav-backend.ts

@@ -5,6 +5,7 @@
  */
 import { Inject, Injectable } from '@nestjs/common';
 import fetch, { Response } from 'node-fetch';
+import { URL } from 'url';
 
 import mediaConfiguration, { MediaConfig } from '../../config/media.config';
 import { MediaBackendError } from '../../errors/errors';