Update the unpkg build target

Author: Panger95

package.json

@@ -46,9 +46,9 @@
  "build": "npm-run-all clean build:*",
  "build:bundle": "microbundle -f modern,esm,cjs --no-compress src/{json,msgpack}.ts --generateTypes false",
  "build:types": "tsc --emitDeclarationOnly",
- "build:unpkg": "microbundle -f iife src/unpkg.ts -o dist/obs-ws.min.js --external none --generateTypes false",
+ "build:unpkg": "microbundle -f iife src/unpkg.ts -o dist/obs-ws.min.cjs --external none --generateTypes false",
  "clean": "rimraf dist",
- "dev": "npm run build:bundle -- --watch",
+ "dev": "npm run build:bundle --watch",
  "generate:obs-types": "node --loader=ts-node/esm scripts/build-types.ts",
  "lint": "eslint . --ext .cjs,.js,.ts",
  "prepare": "npm run build",