Bump java from v2.11.0 to v2.12.0 in helm-charts/splunk-otel-collector/values.yaml #2001

Job	Run time
kubernetes-test (v1.30.0, functional)	5m 27s
kubernetes-test (v1.30.0, histogram)	3m 45s
kubernetes-test (v1.30.0, configuration_switching)	8m 29s
kubernetes-test (v1.29.0, functional)	5m 46s
kubernetes-test (v1.29.0, histogram)	4m 35s
kubernetes-test (v1.29.0, configuration_switching)	8m 54s
kubernetes-test (v1.28.0, functional)	6m 24s
kubernetes-test (v1.28.0, histogram)	4m 1s
kubernetes-test (v1.28.0, configuration_switching)	8m 36s
kubernetes-test (v1.27.3, functional)	6m 5s
kubernetes-test (v1.27.3, histogram)	4m 45s
kubernetes-test (v1.27.3, configuration_switching)	8m 9s
kubernetes-test (v1.26.6, functional)	5m 29s
kubernetes-test (v1.26.6, histogram)	3m 58s
kubernetes-test (v1.26.6, configuration_switching)	9m 14s
kubernetes-test (v1.25.11, functional)	5m 50s
kubernetes-test (v1.25.11, histogram)	3m 47s
kubernetes-test (v1.25.11, configuration_switching)	8m 9s
Test helm upgrade in EKS - credentials needed	3m 42s
Test helm install in EKS - credentials needed	1s
Test helm install in AKS - credentials needed	2m 48s
Test helm install in GCE (kops) - credentials needed	2m 18s
Test helm upgrade from release in EKS - credentials needed	2m 57s
Test helm install in GKE/Autopilot - credentials needed	3m 9s
Test helm upgrade in GKE/Autopilot - credentials needed	2m 59s
	2h 9m 17s

Provide feedback