switch to GitLab helm repositories for dashboard, local-path-provisioner and WordPress. Also use Wekan from Artifacthub

Remove outdated installation docs link from README

See merge request stackspin/stackspin!666

Update Helm release kube-prometheus-stack to v22

See merge request stackspin/stackspin!671

Update dependency websocket-client to v1.2.2

See merge request stackspin/stackspin!670

Update Helm release ingress-nginx to v4.0.13

See merge request stackspin/stackspin!668

Update dependency charset-normalizer to v2.0.9

See merge request stackspin/stackspin!665

Update Helm release kube-prometheus-stack to v21.0.3

See merge request stackspin/stackspin!664

Resolve "Ensure upgrading CRDs with flux"

Closes #915

See merge request stackspin/stackspin!658

Update Helm release kube-prometheus-stack to v21.0.1

See merge request stackspin/stackspin!662

Resolve "Add container name to ContainerMemoryUsage alert"

Closes #1056

See merge request stackspin/stackspin!657

Dont use LE staging CA

See merge request stackspin/stackspin!661

Update Helm release velero to v2.27.0

See merge request stackspin/stackspin!654

fix cert-manager-override

See merge request stackspin/stackspin!660

Resolve "Fix ZeroSSL configuration"

Closes #1059

See merge request stackspin/stackspin!648

Resolve "Remove Rocketchat"

Closes #1049

See merge request stackspin/stackspin!656

Closes: #1049

Close: #1059