BUILD/MINOR: go.mod: update golang.org/x packages #1036

Job	Run time
generate-models	1m 44s
generate-specification	1m 7s
HAProxy check commit message	0s
Build	36s
go mod tidy	17s
golangci-lint	1m 9s
license-check	28s
lint-spec	11s
Tests	51s
Test equal	1m 23s
e2e on HAProxy (2.1)	1m 1s
e2e on HAProxy (2.4)	54s
e2e on HAProxy (2.6)	49s
e2e on HAProxy (2.8)	52s
e2e on HAProxy (2.2)	50s
e2e on HAProxy (2.3)	51s
e2e on HAProxy (2.5)	52s
e2e on HAProxy (2.7)	50s
	14m 45s

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