Update Submariner dependencies to v0.18.3 #1355

Job	Run time
E2E (libreswan, 1.29)	2m 0s
E2E (libreswan, 1.29, lighthouse)	5m 30s
E2E (libreswan, globalnet, 1.29)	2m 5s
E2E (libreswan, globalnet, 1.29, lighthouse)	6m 43s
E2E (wireguard, 1.29)	2m 12s
E2E (wireguard, 1.29, lighthouse)	5m 50s
E2E (wireguard, globalnet, 1.29)	7m 15s
E2E (wireguard, globalnet, 1.29, lighthouse)	6m 59s
E2E (vxlan, 1.29)	2m 10s
E2E (vxlan, 1.29, lighthouse)	4m 46s
E2E (vxlan, globalnet, 1.29)	2m 36s
E2E (vxlan, globalnet, 1.29, lighthouse)	6m 58s
E2E (1.26)	1m 56s
	57m 0s

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