docs: update ingress-controller install refs to v0.33.0

[ssveta7ak]

Summary

Update the Ingress Controller install references in the Deploy → Kubernetes docs from 0-32-0 to the v0.33.0 tag. Covers the main install command, the External-DNS / Multiple Replicas / IngressClass / Envoy Admin kustomize snippets, the quickstart install step, and the gateway-api kustomization.

Verified the v0.33.0 tag exists in pomerium/ingress-controller.

Related

AI disclosure

Claude Code made the edits and drafted this description; I reviewed and confirmed the tag exists.

Checklist

• reference any related issues
• disclosed AI usage (or wrote "none") per AI_POLICY.md

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[greptile-apps]

Greptile Summary

This PR updates the Kubernetes installation docs to use Ingress Controller v0.33.0. The main changes are:

• Updates the default and Gateway API Kustomize references.
• Updates the raw deployment manifest references.
• Updates the quickstart installation command.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed documentation.
• The new tag is valid, and the references use the expected GitHub and Kustomize forms.

Important Files Changed

Filename	Overview
content/docs/deploy/k8s/gateway-api.mdx	Updates the Gateway API Kustomize reference to v0.33.0.
content/docs/deploy/k8s/install.md	Updates the install command and customization examples to v0.33.0.
content/docs/deploy/k8s/quickstart.mdx	Updates the quickstart installation command to v0.33.0.

_{Reviews (1): Last reviewed commit: "docs: update ingress-controller install ..." | Re-trigger Greptile}