Update dependency pytz to v2021.3

See merge request openappstack/openappstack!529

Update dependency sphinx to v4.2.0

See merge request openappstack/openappstack!530

Update dependency sphinx-rtd-theme to v1

See merge request openappstack/openappstack!532

Update Helm release kube-prometheus-stack to v19.0.2

See merge request openappstack/openappstack!519

Resolve "Master pipeline failed after merging documentation MR"

Closes #931

See merge request openappstack/openappstack!518

Update python requirements.txt, remove pip-tools hook

See merge request openappstack/openappstack!517

Fix some mistakes/inregularities in installation instructions

See merge request openappstack/openappstack!515

Use renovate to update Dockerfile  and helmReleases

See merge request openappstack/openappstack!516

Using:

    git clone https://github.com/k8s-at-home/renovate-helm-releases /tmp/renovate-helm-releases
    /tmp/renovate-helm-releases/renovate.py --cluster-path flux2

Resolve "Use kustomization health-assessments"

Closes #886

See merge request openappstack/openappstack!511

Resolve "Update wekan to 5.63"

Closes #966

See merge request openappstack/openappstack!514

Add shared commit template

See merge request openappstack/openappstack!513

Makes it easier to remember CI directives (currently only TRIGGER_JOBS).

Remove prometheuse debug output

See merge request openappstack/openappstack!512

Resolve "Pod CPU usage graph gone"

Closes #833

See merge request openappstack/openappstack!508

Resolve "Remove coredns from system resolvers"

Closes #885

See merge request openappstack/openappstack!510