Build: adding support to rollup *.json files to include moment-timezone data. (#23951)

packages/grafana-data/rollup.config.ts

@@ -1,6 +1,7 @@
 import resolve from '@rollup/plugin-node-resolve';
 import commonjs from '@rollup/plugin-commonjs';
 import sourceMaps from 'rollup-plugin-sourcemaps';
+import json from '@rollup/plugin-json';
 import { terser } from 'rollup-plugin-terser';
 
 const pkg = require('./package.json');
@@ -22,6 +23,9 @@ const buildCjsPackage = ({ env }) => {
     ],
     external: ['lodash', 'apache-arrow'], // Use Lodash & arrow from grafana
     plugins: [
+      json({
+        include: ['../../node_modules/moment-timezone/data/packed/latest.json'],
+      }),
       commonjs({
         include: /node_modules/,
         namedExports: {