Switched to Terser for minification [skip ci]

Author: ankane

package.json

@@ -28,7 +28,7 @@
     "@rollup/plugin-node-resolve": "^13.1.3",
     "eslint": "^8.8.0",
     "rollup": "^2.67.0",
-    "rollup-plugin-uglify": "^6.0.2"
+    "rollup-plugin-terser": "^7.0.2"
   },
   "dependencies": {
     "chartkick": ">=3.2.0"

rollup.config.js

@@ -2,7 +2,7 @@ import buble from "@rollup/plugin-buble";
 import commonjs from "@rollup/plugin-commonjs";
 import pkg from "./package.json";
 import resolve from "@rollup/plugin-node-resolve";
-import { uglify } from "rollup-plugin-uglify";
+import { terser } from "rollup-plugin-terser";
 
 const input = "src/index.js";
 const outputName = "VueChartkick";
@@ -55,11 +55,7 @@ export default [
       resolve(),
       commonjs(),
       buble(),
-      uglify({
-        output: {
-          comments: /^!/
-        }
-      })
+      terser()
     ]
   },
   {