test: Bump vector aggregator to 0.52.0 (chart version 0.49.0) (#641)

Author: NickLarsenNZ

tests/templates/kuttl/logging/01-install-spark-vector-aggregator.yaml

@@ -5,7 +5,7 @@ commands:
   - script: >-
       helm install spark-vector-aggregator vector
       --namespace $NAMESPACE
-      --version 0.45.0
+      --version 0.49.0
       --repo https://helm.vector.dev
       --values spark-vector-aggregator-values.yaml
 ---