🔧 make rum-vue package private until it's ready (#4350)

Author: mormubis

packages/rum-vue/package.json

@@ -1,6 +1,5 @@
 {
   "name": "@datadog/browser-rum-vue",
-  "version": "6.31.0",
   "license": "Apache-2.0",
   "main": "cjs/entries/main.js",
   "module": "esm/entries/main.js",
@@ -44,6 +43,7 @@
   "volta": {
     "extends": "../../package.json"
   },
+  "private": true,
   "publishConfig": {
     "access": "public"
   }