Update docker.io/wordpress Docker tag to v6.8.0

Update docker.io/wordpress Docker tag to v6.8.0

No problems upgrading the Docker container with a Docker compose yaml file within Portainer and by means of Portainer DevOps resp. GitOps with dependency update facilitated by Mend's Renovate Bot.

This MR contains the following updates:

Package Update Change
docker.io/wordpress minor 6.7.2 -> 6.8.0

Release Notes

docker.io/wordpress (docker)

6.8.0

WordPress is a web content management system.