MINOR: global: add fd-hard-limit #1113

Job	Run time
generate-specification	57s
generate-models	1m 23s
HAProxy check commit message	0s
Build	-1s
golangci-lint	-1s
lint-spec	-1s
go mod tidy	-1s
license-check	-1s
Tests	0s
e2e on HAProxy	0s
	2m 15s

Provide feedback