chore(deps-dev): bump @babel/core from 7.15.5 to 7.15.8 in /example (#507)

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.15.5 to 7.15.8.
- [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/v7.15.8/packages/babel-core)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

example/package.json

@@ -31,7 +31,7 @@
     "react-native-video": "^5.1.1"
   },
   "devDependencies": {
-    "@babel/core": "^7.15.5",
+    "@babel/core": "^7.15.8",
     "@babel/runtime": "^7.15.4",
     "@react-native-community/eslint-config": "^3.0.1",
     "@react-native-community/eslint-plugin": "^1.1.0",