Support lifecycle hooks for Argo Workflows Server

[BojanZelic]

Is your feature request related to a problem?

Whenever argo workflows server pods are rollout-restarted, evicted, ect a small blip of downtime occurs when using AWS ALB ingress resource to expose argo workflows (but probably true with any load balancer)

Related helm chart

argo-workflows

Describe the solution you'd like

expose configurations of lifecycle param to set a preStop hook, and a configuration for terminationGracePeriodSeconds to allow pods to persist any remaining connections

Describe alternatives you've considered

No response

Additional context

ex:

#values.yaml
  server:
   lifecycle:
     preStop: 
       exec:
         command:
           - /bin/sh
           - -c
           - |
             sleep 60;

    terminationGracePeriodSeconds: 65

would allow it to have enough time to remove the IP from AWS ALB, ensuring no-downtime deployments