Bump @vue/cli-plugin-babel from 3.11.0 to 4.5.6

Bumps [@vue/cli-plugin-babel](https://github.com/vuejs/vue-cli/tree/HEAD/packages/@vue/cli-plugin-babel) from 3.11.0 to 4.5.6.
- [Release notes](https://github.com/vuejs/vue-cli/releases)
- [Changelog](https://github.com/vuejs/vue-cli/blob/dev/CHANGELOG.md)
- [Commits](https://github.com/vuejs/vue-cli/commits/v4.5.6/packages/@vue/cli-plugin-babel)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -30,7 +30,7 @@
   },
   "devDependencies": {
     "@types/jest": "^24.0.23",
-    "@vue/cli-plugin-babel": "^3.11.0",
+    "@vue/cli-plugin-babel": "^4.5.6",
     "@vue/cli-plugin-eslint": "^4.0.5",
     "@vue/cli-plugin-typescript": "^4.0.5",
     "@vue/cli-plugin-unit-jest": "^4.0.5",