BUILD/MINOR: go.mod: update Go packages #495

Job	Run time
HAProxy check commit message	0s
generate-models	1m 10s
generate-specification	47s
Build	20s
lint-spec	6s
golangci-lint	59s
go mod tidy	5s
Tests	39s
e2e on HAProxy (2.1)	38s
e2e on HAProxy (2.2)	39s
e2e on HAProxy (2.3)	39s
e2e on HAProxy (2.4)	40s
e2e on HAProxy (2.5)	41s
e2e on HAProxy (2.6)	38s
e2e on HAProxy (2.7)	38s
e2e on HAProxy (2.8)	38s
	9m 17s

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