#6615 Add HPA to flyte admin Pull request opened by Sovietaced ## Why are the changes needed? As more workflows run it increases load on Flyte Admin due to node/task events. It would be nice if flyte admin could autoscale. ## What changes were proposed in this pull request? Adds support for configuring HPAs on flyte admin in the flyte-core helm chart. ## How was this patch tested? Tested in our production environment.

❯ kubectl get hpa
NAME         REFERENCE               TARGETS                        MINPODS   MAXPODS   REPLICAS   AGE
flyteadmin   Deployment/flyteadmin   cpu: 8%/50%, memory: 11%/80%   2         10        2          37h

## Check all the applicable boxes • I updated the documentation accordingly. • All new and existing tests passed. • All commits are signed-off. https://bito.ai#summarystart| ### Summary by Bito This pull request enhances Flyte Admin by adding support for Horizontal Pod Autoscalers (HPAs) in the flyte-core helm chart, enabling automatic scaling based on workload. The configuration modifications ensure that autoscaling is activated when both Flyte Admin and its autoscaling feature are enabled, and it updates several manifests to incorporate new configurations and secrets, aiming to improve operational efficiency. flyteorg/flyte