Add OCSP stapling support and other SSL optimizations to Hydrogen vhost

Related to https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1061
and https://github.com/spantaleev/matrix-docker-ansible-deploy/pull/1057

roles/matrix-nginx-proxy/templates/nginx/conf.d/matrix-client-hydrogen.conf.j2

@@ -81,6 +81,18 @@ server {
 	{% endif %}
 	ssl_prefer_server_ciphers {{ matrix_nginx_proxy_ssl_prefer_server_ciphers }};
 
+	{% if matrix_nginx_proxy_ocsp_stapling_enabled %}
+		ssl_stapling on;
+		ssl_stapling_verify on;
+		ssl_trusted_certificate {{ matrix_ssl_config_dir_path }}/live/{{ matrix_nginx_proxy_proxy_element_hostname }}/chain.pem;
+	{% endif %}
+
+	{% if matrix_nginx_proxy_ssl_session_tickets_off %}
+		ssl_session_tickets off;
+	{% endif %}
+	ssl_session_cache {{ matrix_nginx_proxy_ssl_session_cache }};
+	ssl_session_timeout {{ matrix_nginx_proxy_ssl_session_timeout }};
+
 	{{ render_vhost_directives() }}
 }
 {% endif %}