Bump sec-scanners-config.yaml, KEB images and Chart to 1.11.8 #1886

Job	Run time
archiver-image / Build image	3m 23s
deprovision-retrigger-image / Build image	3m 18s
globalaccounts-image / Build image	3m 2s
kyma-environment-broker-image / Build image	2m 53s
expirator-image / Build image	3m 38s
environments-cleanup-image / Build image	2m 34s
schema-migrator-image / Build image	5m 49s
service-binding-cleanup-image / Build image	3m 53s
runtime-reconciler-image / Build image	3m 17s
subaccount-cleanup-image / Build image	3m 17s
subaccount-sync-image / Build image	3m 32s
	38m 36s

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