NGINX Ingress Controller 5.6: HSTS without snippets, a faster start on large clusters, and improved configuration safety

NGINX Ingress Controller 5.6 introduces significant improvements including full support for HTTP Strict Transport Security (HSTS) as a standard policy across different resources, streamlined configuration settings for teams transitioning from Ingress-NGINX, and the option to disable X-Forwarded base headers through the ConfigMap, enhancing operational safety for large cluster environments.