BUILD/MINOR: go.mod: update Go packages #758

Job	Run time
HAProxy check commit message	0s
generate-models	1m 15s
generate-specification	41s
lint-spec	9s
go mod tidy	5s
Build	24s
golangci-lint	3m 28s
Tests	37s
e2e on HAProxy (2.1)	39s
e2e on HAProxy (2.2)	39s
e2e on HAProxy (2.3)	39s
e2e on HAProxy (2.4)	38s
e2e on HAProxy (2.5)	38s
e2e on HAProxy (2.6)	40s
e2e on HAProxy (2.7)	38s
e2e on HAProxy (2.8)	38s
	11m 48s

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