message: SST Update: Read package.json manually instead of using require
diff: -import fs from "fs";
  +import fs from "fs-extra";
  import path from "path";
  import chalk = require("chalk");
  import { Packager } from "../packager";
  @@ -28,9 +28,7 @@ export function run(opts: RunOpts) {
  }
  const module = "@serverless-stack/core/package.json";
  - delete require.cache[require.resolve(module)];
  - // eslint-disable-next-line
  - const compare = require(module);
  + const compare = fs.readJsonSync(require.resolve(module));
  const version = compare.dependencies["aws-cdk"];
  for (const type of ["dependencies", "devDependencies"] as const) {
  