Bump @babel/core from 7.1.2 to 7.9.6

Bumps [@babel/core](https://github.com/babel/babel) from 7.1.2 to 7.9.6.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.1.2...v7.9.6)

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

package.json

@@ -46,7 +46,7 @@
     "testURL": "http://localhost"
   },
   "devDependencies": {
-    "@babel/core": "^7.1.2",
+    "@babel/core": "^7.9.6",
     "@babel/plugin-syntax-dynamic-import": "^7.0.0",
     "@babel/preset-env": "^7.1.0",
     "@vue/test-utils": "^1.0.0-beta.25",