Decrease number of parser replicas to 4 (#1018)

Author: cristinaleonr

k8s/data-processing/deployments/parser.yml

@@ -4,7 +4,7 @@ metadata:
   name: etl-parser
   namespace: default
 spec:
-  replicas: 6
+  replicas: 4
   selector:
     matchLabels:
       # Used to match pre-existing pods that may be affected during updates.