test: Increase schedule memory limit

Keeps getting OOMKilled in the logging test since Airflow 3.2

Author: NickLarsenNZ

tests/templates/kuttl/logging/41-install-airflow-cluster.yaml.j2

@@ -271,7 +271,7 @@ spec:
           min: 1000m
           max: 2000m
         memory:
-          limit: 1Gi
+          limit: 2Gi
     roleGroups:
       automatic-log-config:
         replicas: 1