BUILD/MINOR: specification: upgrade swag packages #980

Job	Run time
generate-specification	58s
generate-models	1m 36s
HAProxy check commit message	0s
go mod tidy	9s
lint-spec	13s
golangci-lint	1m 2s
Build	32s
license-check	34s
Tests	56s
Test equal	1m 14s
e2e on HAProxy (2.3)	54s
e2e on HAProxy (2.2)	50s
e2e on HAProxy (2.1)	47s
e2e on HAProxy (2.6)	49s
e2e on HAProxy (2.8)	49s
e2e on HAProxy (2.4)	55s
e2e on HAProxy (2.5)	53s
e2e on HAProxy (2.7)	52s
	14m 3s

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