feat: Added clientConfig to APIPortalAuth and APIAuth

feat: Added new `refreshInterval` field

feat: Added new CRD for portal custom content

Co-authored-by: Harold Ozouf <harold.ozouf@traefik.io>

feat: add healthcheck and sticky config on uplinks

feat: add uplink expose name field

fix: entryPoints consistent casing

feat: add CRDs validation test

feat: forward compatible resolved APIs in statuses

fix: reduce CEL cost on trustedIssuers

feat: add trusted issuers in APIAuth JWT config