chore(deps): bump roots/wordpress from 6.3.2 to 6.4

Bumps [roots/wordpress](https://github.com/roots/wordpress) from 6.3.2 to 6.4.
- [Release notes](https://github.com/roots/wordpress/releases)
- [Commits](roots/wordpress@6.3.2...6.4)

---
updated-dependencies:
- dependency-name: roots/wordpress
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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