Build(deps): Bump @wordpress/blocks from 15.9.0 to 15.10.0 (#572)

Bumps [@wordpress/blocks](https://github.com/WordPress/gutenberg/tree/HEAD/packages/blocks) from 15.9.0 to 15.10.0.
- [Release notes](https://github.com/WordPress/gutenberg/releases)
- [Changelog](https://github.com/WordPress/gutenberg/blob/@wordpress/blocks@15.10.0/packages/blocks/CHANGELOG.md)
- [Commits](https://github.com/WordPress/gutenberg/commits/@wordpress/blocks@15.10.0/packages/blocks)

---
updated-dependencies:
- dependency-name: "@wordpress/blocks"
  dependency-version: 15.10.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]