Bump @babel/core from 7.12.16 to 7.13.8

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.12.16 to 7.13.8.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.13.8/packages/babel-core)

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

package.json

@@ -39,7 +39,7 @@
     "vuex": "^3.6.2"
   },
   "devDependencies": {
-    "@babel/core": "^7.12.16",
+    "@babel/core": "^7.13.8",
     "@babel/preset-env": "^7.12.16",
     "@nextcloud/eslint-plugin": "^1.5.0",
     "@vue/babel-preset-app": "^4.5.11",