chore(deps): update dependency phpunit/phpunit to v9.5.28

This MR contains the following updates:

Dependency Lookup Warnings

Warnings were logged while processing this repo. Please check the Dependency Dashboard for more information.

Release Notes

Configuration

Schedule: Branch creation - "every weekend" (UTC), Automerge - At any time (no schedule defined).

Automerge: Enabled.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about this update again.

• If you want to rebase/retry this MR, check this box

This MR has been generated by Renovate Bot.