refactor: Use ESM (#8358)

* wip

* wip

* fix

* clean up

* Update tsconfig.json

* Update activitypub.ts

* wip

packages/backend/src/services/drive/generate-video-thumbnail.ts

@@ -1,6 +1,6 @@
-import * as fs from 'fs';
+import * as fs from 'node:fs';
 import * as tmp from 'tmp';
-import { IImage, convertToJpeg } from './image-processor';
+import { IImage, convertToJpeg } from './image-processor.js';
 import * as FFmpeg from 'fluent-ffmpeg';
 
 export async function GenerateVideoThumbnail(path: string): Promise<IImage> {