Bump versions not managed by maven-release to 17.3.0 #2868

Job	Run time
build	29m 16s
lighty_rnc_app_test / build	4m 37s
lighty_rnc_cluster_app_test / build	6m 11s
lighty_rcgnmi_app_test / build	6m 20s
	46m 24s

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