Bump golangci-lint to 1.56.2 #602

Job	Run time
Clean up generated files	1m 26s
Images	2m 12s
Compilation	46s
Clusters	1m 41s
Clean up clusters	1m 42s
Build multi-arch images	2m 22s
Multiple gateways support	1m 38s
Deployment (operator)	2m 42s
Post mortem	2m 10s
Deployment (helm)	2m 14s
E2E	2m 55s
Deployment (globalnet, operator)	2m 32s
Deployment (globalnet, helm)	2m 11s
Unit tests	1m 44s
Deployment (air-gap)	3m 10s
Deployment (air-gap, globalnet)	2m 57s
Deployment (air-gap, lighthouse)	3m 16s
Deployment (air-gap, ovn)	6m 2s
Deployment (dual-stack)	2m 38s
Deployment (ovn)	6m 1s
Deployment (ovn-ic)	6m 14s
Deployment (operator, lighthouse)	2m 32s
Deployment (helm, lighthouse)	2m 15s
Deployment (load-balancer)	2m 57s
Deployment (prometheus)	2m 40s
	1h 8m 57s

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