chore: Update Vector to 0.43.1 in integration tests (#744)

Updating to chart 0.39.0

Author: Maleware

Diff for: tests/templates/kuttl/logging/01-install-nifi-vector-aggregator.yaml

@@ -5,7 +5,7 @@ commands:
   - script: >-
       helm install nifi-vector-aggregator vector
       --namespace $NAMESPACE
-      --version 0.36.1
+      --version 0.39.0
       --repo https://helm.vector.dev
       --values nifi-vector-aggregator-values.yaml
 ---