Build

Bump spring to 3.3.7 #4856

# to view logs

Job	Run time
build	16m 31s
lighty_rnc_app_test / build	7m 1s
lighty_rcgnmi_app_test / build	5m 51s
lighty_rnc_cluster_app_test / build	8m 9s
	37m 32s

Provide feedback