build(deps): bump @babel/core from 7.15.0 to 7.15.5 (#13485)

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.15.0 to 7.15.5.
- [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/v7.15.5/packages/babel-core)

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

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package.json

@@ -4,7 +4,7 @@
   "version": "4.205.0",
   "main": "./website/server/index.js",
   "dependencies": {
-    "@babel/core": "^7.15.0",
+    "@babel/core": "^7.15.5",
     "@babel/preset-env": "^7.15.4",
     "@babel/register": "^7.15.3",
     "@google-cloud/trace-agent": "^5.1.5",