BUG/MINOR: add missing rst-ttl option to relevant keywords #708

Job	Run time
generate-models	1m 24s
generate-specification	50s
HAProxy check commit message	0s
Build	22s
golangci-lint	53s
lint-spec	8s
go mod tidy	8s
Tests	29s
e2e on HAProxy (2.1)	48s
e2e on HAProxy (2.2)	42s
e2e on HAProxy (2.3)	45s
e2e on HAProxy (2.4)	40s
e2e on HAProxy (2.5)	40s
e2e on HAProxy (2.6)	40s
e2e on HAProxy (2.7)	42s
e2e on HAProxy (2.8)	42s
	9m 53s

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