src/main/features/configuration.json

{
    "configurations": {
        "org.apache.sling.jcr.maintenance.internal.DataStoreCleanupScheduler": {
            "scheduler.expression": "0 0 2 ? * *"
        },
        "org.apache.sling.jcr.maintenance.internal.RevisionCleanupScheduler": {
            "scheduler.expression": "0 0 2 ? * *"
        },
        "org.apache.sling.jcr.maintenance.internal.VersionCleanup": {
            "scheduler.expression": "0 0 2 ? * *"
        },
        "org.apache.sling.jcr.maintenance.internal.VersionCleanupPath~default": {
            "path": "/",
            "limit": 5
        }
    }
}