chore: fix broken package.json (#116)

Author: vwong

package.json

@@ -2,14 +2,14 @@
   "name": "openapi-pact-comparator",
   "version": "1.0.0",
   "description": "",
-  "main": "dist/index.js",
+  "main": "dist/index.cjs",
   "module": "dist/index.mjs",
   "files": [
     "dist"
   ],
   "exports": {
     ".": {
-      "default": "./dist/index.js",
+      "require": "./dist/index.cjs",
       "import": "./dist/index.mjs",
       "types": "./dist/src/index.d.ts"
     }

rollup.config.js

@@ -20,7 +20,7 @@ export default [
   {
     ...common,
     output: {
-      file: "dist/index.js",
+      file: "dist/index.cjs",
       format: "cjs",
       sourcemap: true,
     },