fix runtime guard to alphabetical

Signed-off-by: Ryan Eskin <ryan.eskin89@protonmail.com>

source/common/runtime/runtime_features.cc

@@ -55,6 +55,7 @@ RUNTIME_GUARD(envoy_reloadable_features_ignore_optional_option_from_hcm_for_rout
 RUNTIME_GUARD(envoy_reloadable_features_immediate_response_use_filter_mutation_rule);
 RUNTIME_GUARD(envoy_reloadable_features_initialize_upstream_filters);
 RUNTIME_GUARD(envoy_reloadable_features_keep_endpoint_active_hc_status_on_locality_update);
+RUNTIME_GUARD(envoy_reloadable_features_lambda_sanitize_host_header);
 RUNTIME_GUARD(envoy_reloadable_features_no_extension_lookup_by_name);
 RUNTIME_GUARD(envoy_reloadable_features_no_full_scan_certs_on_sni_mismatch);
 RUNTIME_GUARD(envoy_reloadable_features_oauth_header_passthrough_fix);
@@ -86,7 +87,6 @@ RUNTIME_GUARD(envoy_reloadable_features_validate_connect);
 RUNTIME_GUARD(envoy_reloadable_features_validate_detailed_override_host_statuses);
 RUNTIME_GUARD(envoy_reloadable_features_validate_grpc_header_before_log_grpc_status);
 RUNTIME_GUARD(envoy_reloadable_features_validate_upstream_headers);
-RUNTIME_GUARD(envoy_reloadable_features_lambda_sanitize_host_header);
 RUNTIME_GUARD(envoy_restart_features_explicit_wildcard_resource);
 RUNTIME_GUARD(envoy_restart_features_remove_runtime_singleton);
 RUNTIME_GUARD(envoy_restart_features_udp_read_normalize_addresses);