test(resources): Update the assertion from #796

Author: NickLarsenNZ

tests/templates/kuttl/resources/30-assert.yaml.j2

@@ -130,7 +130,7 @@ spec:
               cpu: 100m
               memory: 1Gi
             limits:
-              cpu: "1"
+              cpu: 1200m
               memory: 1Gi
 {% if lookup('env', 'VECTOR_AGGREGATOR') %}
         - name: vector