Bump wp-phpunit/wp-phpunit from 6.1.0 to 6.1.1 (woocommerce#7767)

Bumps [wp-phpunit/wp-phpunit](https://github.com/wp-phpunit/wp-phpunit) from 6.1.0 to 6.1.1.
- [Release notes](https://github.com/wp-phpunit/wp-phpunit/releases)
- [Commits](wp-phpunit/wp-phpunit@6.1.0...6.1.1)

---
updated-dependencies:
- dependency-name: wp-phpunit/wp-phpunit
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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