Update cors annotations in grand-central ingress

[tomach]

Summary of changes

This change sets CORS annotations for ingress-nginx in the grand-central ingress to the same values we also use in the crate command in the StatefulSet. This is for

• dev: https://console.cratedb-dev.cloud,http://localhost:8000
• prod https://console.cratedb.cloud

Checklist

• [x] Link to issue this PR refers to:https://github.com/crate/cloud/issues/1932
• [x] Relevant changes are reflected in CHANGES.rst
• [x] Added or changed code is covered by tests
• [x] Documentation has been updated if necessary
• [x] Changed code does not contain any breaking changes (or this is a major version change)