build(deps): bump next in /packages/browser/examples/nextjs
build(deps): bump next in /packages/browser/examples/nextjs

Bumps [next](https://github.com/vercel/next.js) from 12.0.4 to 12.0.7.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/compare/v12.0.4...v12.0.7)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
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