update rollup and plugins

Author: Conduitry

package.json

@@ -7,9 +7,9 @@
     "start": "sirv public"
   },
   "devDependencies": {
-    "@rollup/plugin-commonjs": "11.0.2",
-    "@rollup/plugin-node-resolve": "^7.0.0",
-    "rollup": "^1.20.0",
+    "@rollup/plugin-commonjs": "^12.0.0",
+    "@rollup/plugin-node-resolve": "^8.0.0",
+    "rollup": "^2.3.4",
     "rollup-plugin-livereload": "^1.0.0",
     "rollup-plugin-svelte": "^5.0.3",
     "rollup-plugin-terser": "^5.1.2",