Update rollup config to be es module compliant

Author: Bengsfort

package.json

@@ -12,7 +12,7 @@
   "files": [
     "src",
     "dist",
-    "rollup.config.js"
+    "rollup.config.mjs"
   ],
   "engines": {
     "node": ">=10"

rollup.config.js renamed to rollup.config.mjs

@@ -1,5 +1,7 @@
-import { builtinModules } from 'module';
-import { dependencies } from './package.json';
+import { builtinModules, createRequire } from 'module';
+
+const require = createRequire(import.meta.url);
+const { dependencies } = require('./package.json');
 
 export default {
   input: 'src/index.js',