fix: Add missing deletecollection RBAC permission

[sbernauer]

Description

Fixes #316
Other user has reported as well:

When I’m running my teragen spark job I see an error at the end. Is the default RBAC not being applied is something missing from it?

2023-11-28T13:05:23,601 ERROR [main] org.apache.spark.util.Utils - Uncaught exception in thread main io.fabric8.kubernetes.client.KubernetesClientException: Failure executing: DELETE at: https://kubernetes.default.svc/api/v1/namespaces/default/configmaps?labelSelector=spark-app-selector%3Dspark-6d6176af4a3244b3932a9ef1ad5c53fe%2Cspark-role%3Dexecutor. Message: Forbidden!Configured service account doesn't have access. Service account may have been revoked. configmaps is forbidden: User "system:serviceaccount:default:spark-teragen" cannot deletecollection resource "configmaps" in API group "" in the namespace "default".

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[maltesander]

Should this be cherry picked to 23.11?

[lfrancke]

If we can, that'd be great. But if it is too much of a hassle leave it.

[sbernauer]

+1. We already had a discussion on Slack as well: https://stackable-workspace.slack.com/archives/C037Q9DPF4P/p1701180253227739