Update nextcloud Docker tag to v28

See merge request !104

Update python Docker tag to v3.10

See merge request !94

Update Node.js to v21

See merge request !98

Update redis Docker tag to v7.2.3

See merge request !96

Update jordan/icinga2 Docker tag to v2.14.0

See merge request !85

Update wordpress Docker tag to v6.4.2

See merge request !97

Update lscr.io/linuxserver/heimdall Docker tag to v2021

See merge request !102

Update gitlab/gitlab-ce Docker tag to v16.7.0

See merge request !81

Update matrixdotorg/synapse Docker tag to v1.98.0

See merge request !88

# Conflicts:
#   webserver/docker_wordpress/templates/Dockerfile

Update nextcloud Docker tag to v27.1.3

See merge request !68

Update gitlab/gitlab-ce Docker tag to v15.11.13

See merge request !58

Update quay.io/hedgedoc/hedgedoc Docker tag to v1.9.9

See merge request !59

Update docker Docker tag to v24

See merge request !63

Update grafana/grafana Docker tag to v10

See merge request !64

Update wordpress Docker tag to v6.3.2

See merge request !60

Update ghcr.io/freifunkmuc/wg-access-server Docker tag to v0.10.1

See merge request !66

Update homeassistant/home-assistant Docker tag

See merge request !62