Release v0.8.1 to v0.8 branch

Changed

• Accept python3 and fix nftables.conf for IPv6 (!916 (merged))
• Documentation amendments and adjustments (!903 (merged), !890 (merged), !870 (merged))
• Enable "Merge when pipeline succeeds" for renovate patch PRs (!888 (merged))
• Fix: "Clusters out of CPU" (!934 (merged))
• Include default upstream renovate presets as well (!891 (merged))
• Remove all cpu limits (!843 (merged))
• Alert on out of memory situations (!612 (merged))
• Allow nextcloud plugins bruteforcesettings files_markdown groupfolders (!639 (merged))
• Automate per-release upgrade testing (!684 (merged))
• Do not fire ContainerMemoryUsage alert for unlabelled metrics (!865 (merged))
• Nextcloud cronjobs are not running (!912 (merged))
• PVC deletion in restore instructions (!905 (merged))
• Renovate: Auto-merge patch releases (!880 (merged))
• Update kubectl in container image (!898 (merged))
• Update taiko (!878 (merged))
• Upgrade zulip to 5.0rc1 (!900 (merged))
• Update Helm release cert-manager to v1.7.2 (!911 (merged))
• Update Helm release ingress-nginx to v4.0.19 (!937 (merged))
• Update Helm release kube-prometheus-stack to v34.8.0 (!941 (merged))
• Update Helm release local-path-provisioner to v0.0.22 (!932 (merged))
• Update Helm release loki to v2.10.3 (!947 (merged))
• Update Helm release mariadb to v10.4.5 (!938 (merged))
• Update Helm release metallb to v2.6.11 (!939 (merged))
• Update Helm release nextcloud-onlyoffice to v0.7.23 (!948 (merged))
• Update Helm release single-sign-on to v0.8.2 (!879 (merged))
• Update Helm release velero to v2.29.4 (!922 (merged))
• Update Helm release wordpress to v0.6.17 (!940 (merged))
• Update dependency ansible to v5.5.0 (!883 (merged))
• Update dependency dnspython to v2.2.1 (!863 (merged))
• Update dependency kubernetes to v23 (!859 (merged))
• Update dependency paramiko to v2.10.3 (!896 (merged))
• Update dependency sphinx to v4.5.0 (!920 (merged))
• Validate passwords in .flux.env (!931 (merged))

Current application versions:

Name	Chart	App version
cert-manager	v1.7.2	v1.7.2
dashboard	0.1.7	0.1.6
eventrouter	0.4.0	0.3
ingress-nginx	4.0.19	1.1.3
kube-prometheus-stack	34.8.0	0.55.0
local-path-provisioner	0.0.22	v0.0.22
loki	2.10.3	v2.4.2
metallb	2.6.11	0.12.1
missing-container-metrics	0.24.0	0.24.0
nc	0.7.23	NC-23.0.2-OO-7.0.1.37
promtail	3.11.0	2.4.2
single-sign-on	0.8.2
single-sign-on-database	10.4.5	10.5.15
velero	2.29.4	1.8.1
wekan	1.1.1	5.93
wordpress	0.6.17	5.9.1
zulip	0.2.1	4.7-0

Removed

• Remove unneeded Makefile (!882 (merged))