Bump gutenberg from 6f245b7 to ae3c2e2

Bumps [gutenberg](https://github.com/WordPress/gutenberg) from `6f245b7` to `ae3c2e2`.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Commits](WordPress/gutenberg@6f245b7...ae3c2e2)

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

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