Bump golang.org/x/sys from 0.30.0 to 0.31.0 in /tests #12281

Job	Run time
setup-environment	2m 2s
generate-metrics	37s
test	5m 47s
lint	9m 50s
gofmt	44s
tidy	1m 12s
coverage	34s
cross-compile (binaries-darwin_amd64)	5m 0s
cross-compile (binaries-darwin_arm64)	5m 31s
cross-compile (binaries-linux_amd64)	5m 6s
cross-compile (binaries-linux_arm64)	5m 6s
cross-compile (binaries-windows_amd64)	4m 48s
cross-compile (binaries-linux_ppc64le)	4m 36s
	50m 53s

Provide feedback