chore(deps): update istio to v1.23.1 #3125

Job	Run time
lint-check	39s
Select Jobs	4s
Schedule (all, registry1, install) / Test	16m 33s
Schedule (all, unicorn, install) / Test	14m 43s
Schedule (all, unicorn, upgrade) / Test	21m 8s
Schedule (all, registry1, upgrade) / Test	19m 58s
Schedule (all, upstream, install) / Test	15m 52s
Schedule (all, upstream, upgrade) / Test	17m 27s
Schedule (istio, registry1, install) / Test	4m 36s
Schedule (istio, unicorn, install) / Test	3m 58s
Schedule (istio, upstream, install) / Test	4m 21s
Compliance Evaluation (unicorn) / Evaluate	24s
Compliance Evaluation (registry1) / Evaluate	21s
Compliance Evaluation (upstream) / Evaluate	16s
	2h 0m 20s

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