BUILD/MINOR: go.mod: update golang.org/x packages #402

Job	Run time
HAProxy check commit message	0s
generate-models	1m 45s
generate-specification	48s
Build	37s
golangci-lint	57s
lint-spec	9s
go mod tidy	14s
Tests	45s
e2e on HAProxy (2.1)	1m 3s
e2e on HAProxy (2.2)	1m 27s
e2e on HAProxy (2.3)	1m 3s
e2e on HAProxy (2.4)	1m 4s
e2e on HAProxy (2.5)	1m 3s
e2e on HAProxy (2.6)	1m 29s
e2e on HAProxy (2.7)	1m 24s
e2e on HAProxy (2.8)	1m 22s
	15m 10s

Provide feedback