chore(deps-dev): bump @babel/core from 7.13.10 to 7.15.0 in /code/web-ui

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.13.10 to 7.15.0.
- [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/v7.15.0/packages/babel-core)

---
updated-dependencies:
- dependency-name: "@babel/core"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

code/web-ui/package.json

@@ -37,7 +37,7 @@
     "vuex": "^3.0.1"
   },
   "devDependencies": {
-    "@babel/core": "^7.0.0",
+    "@babel/core": "^7.15.0",
     "@babel/plugin-proposal-decorators": "^7.0.0",
     "@babel/plugin-proposal-export-namespace-from": "^7.0.0",
     "@babel/plugin-proposal-function-sent": "^7.0.0",