Bump gutenberg from b06240a to 5da68dc

Bumps [gutenberg](https://github.com/WordPress/gutenberg) from `b06240a` to `5da68dc`.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Commits](WordPress/gutenberg@b06240a...5da68dc)

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

Signed-off-by: dependabot[bot] <[email protected]>