k8s: fetch-worker: increase CPU threshold for HPA

15 was a bit too low, up scaling too fast and cooling down too long.
With 25, the HPA will have to wait a bit longer before scaling up and
will also scale down sooner when there's no load anymore.

Signed-off-by: Charles Oliveira <charles.oliveira@linaro.org>

Author: chaws

k8s/qareports-fetch-worker.yml

@@ -9,7 +9,7 @@ metadata:
 spec:
   minReplicas: 1
   maxReplicas: 3
-  targetCPUUtilizationPercentage: 15
+  targetCPUUtilizationPercentage: 25
   scaleTargetRef:
     apiVersion: apps/v1
     kind: Deployment