Add umd output and update browser apps

packages/ffmpeg-mt/package.json

@@ -2,13 +2,13 @@
   "name": "@ffmpeg/ffmpeg-mt",
   "version": "0.11.5",
   "description": "FFmpeg WebAssembly version w/ multi-thread",
-  "main": "./dist/cjs/ffmpeg.js",
+  "main": "./dist/umd/ffmpeg.js",
   "types": "./types/ffmpeg.d.ts",
   "exports": {
     ".": {
       "types": "./types/ffmpeg.d.ts",
       "import": "./dist/esm/ffmpeg.js",
-      "require": "./dist/cjs/ffmpeg.js"
+      "require": "./dist/umd/ffmpeg.js"
     }
   },
   "scripts": {

packages/ffmpeg-mt/tests/ffmpeg.test.html

@@ -9,7 +9,7 @@
   <div id="mocha"></div>
   <script src="../../../node_modules/mocha/mocha.js"></script>
   <script src="../../../node_modules/chai/chai.js"></script>
-  <script src="../dist/cjs/ffmpeg.js"></script>
+  <script src="../dist/umd/ffmpeg.js"></script>
   <script src="./constants.js"></script>
   <script>mocha.setup('bdd');</script>
   <script src="./ffmpeg.test.js"></script>