BUG/MEDIUM: spec: generate spec with proper template #1159

Job	Run time
generate-models	1m 31s
generate-specification	14s
HAProxy check commit message	0s
license-check	-1s
Build	-1s
go mod tidy	-1s
lint-spec	-1s
Test equal	-1s
golangci-lint	-1s
Tests	-1s
e2e on HAProxy	0s
	1m 38s

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