Merge pull request 'chore(deps): update docker.io/roundcube/roundcubemail...

Merge pull request 'chore(deps): update docker.io/roundcube/roundcubemail docker tag to v1.6.9' (#9) from renovate_docker.io-roundcube-roundcubemail-1.x into main

Reviewed-on: https://git.simoncor.net/siempie/roundcube/pulls/9