fix: pass a minimal version of package.json to updater

Author: aminya

dist/node12/actions_python.e8fa8bb0.js.map

@@ -0,0 +1,4 @@
+{
+  "name": "setup-cpp",
+  "version": "0.27.1"
+}

dist/node12/setup-cpp.js

@@ -1,6 +1,6 @@
 import { warning } from "ci-log"
 import updateNotifier from "simple-update-notifier"
-import packageJson from "../package.json" assert { type: "json" }
+import packageJson from "../package-version.json" assert { type: "json" }
 
 // auto self update notifier
 export async function checkUpdates() {