chore: Bump vector 0.52.0 and opa 1.12.2 (#931)

* chore(examples): Bump opa to 1.12.2

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

Author: NickLarsenNZ

examples/logging/simple-kafka-cluster-opa-log4j.yaml

@@ -25,7 +25,7 @@ metadata:
   name: simple-opa
 spec:
   image:
-    productVersion: 1.8.0
+    productVersion: 1.12.2
   servers:
     roleGroups:
       default: {}

examples/opa/simple-kafka-cluster-opa-allow-all.yaml

@@ -25,7 +25,7 @@ metadata:
   name: simple-opa
 spec:
   image:
-    productVersion: 1.8.0
+    productVersion: 1.12.2
   servers:
     roleGroups:
       default: {}

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

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