REFACTOR(traefik): switch ingress to Traefik

- Update ingressClassName from haproxy to traefik
- Remove nginx annotations from minio ingress

pgweb/ingress.yaml

@@ -7,7 +7,7 @@ metadata:
     nginx.ingress.kubernetes.io/ssl-redirect: "true"
     cert-manager.io/cluster-issuer: "letsencrypt-prod"
 spec:
-  ingressClassName: haproxy
+  ingressClassName: traefik
   tls:
   - hosts:
     - pgweb0213.kro.kr