BUILD/MINOR: go.mod: update Go packages #463

Job	Run time
HAProxy check commit message	0s
generate-models	1m 16s
generate-specification	42s
lint-spec	7s
Build	25s
golangci-lint	1m 28s
go mod tidy	12s
Tests	36s
e2e on HAProxy (2.1)	44s
e2e on HAProxy (2.2)	47s
e2e on HAProxy (2.3)	47s
e2e on HAProxy (2.4)	46s
e2e on HAProxy (2.5)	51s
e2e on HAProxy (2.6)	53s
e2e on HAProxy (2.7)	53s
e2e on HAProxy (2.8)	54s
	11m 21s

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