Bump k8s.io/client-go from 0.32.3 to 0.33.1 in /internal/signalfx-agent #13263

Job	Run time
setup-environment	1m 57s
tidy	1m 20s
gofmt	1m 48s
coverage	4m 14s
cross-compile (binaries-darwin_amd64)	32s
generate-metrics	42s
cross-compile (binaries-darwin_arm64)	36s
cross-compile (binaries-linux_amd64)	35s
cross-compile (binaries-linux_arm64)	34s
lint	59s
cross-compile (binaries-windows_amd64)	33s
test	4m 15s
cross-compile (binaries-linux_ppc64le)	34s
	18m 39s

Provide feedback