fix(build): fix import of chart.js

Author: samber

rollup.config.mjs

@@ -3,7 +3,7 @@ import typescript from "rollup-plugin-typescript2";
 import commonjs from "@rollup/plugin-commonjs";
 import json from "@rollup/plugin-json";
 import terser from "@rollup/plugin-terser";
-import pkg from "./package.json" assert { type: "json" };
+import pkg from "./package.json" with { type: "json" };
 
 const external = ["assert"];
 

src/index.ts

@@ -1,5 +1,5 @@
 
-import Chart from 'chart.js';
+import Chart from 'chart.js/auto';
 import { ChartDatasourcePrometheusPlugin } from './plugin';
 
 export default new ChartDatasourcePrometheusPlugin();