Misleading recommendation on Scaling Deployments section

[0x2b3bfa0]

Since #265, the documentation provides a note stating that the preStop hook can be used to delay termination:

keda-docs/content/docs/1.5/concepts/scaling-deployments.md

Line 107 in 5ef378e

> 💡 **NOTE:**There are other ways to delay termination, including the [`preStop` Hook](https://kubernetes.io/docs/concepts/containers/container-lifecycle-hooks/#container-hooks)

Unfortunately, containers will still receive SIGKILL after terminationGracePeriodSeconds have elapsed, regardless of the preStop hook, which is just used to delay the initial SIGTERM sent for graceful termination.

With the current wording of this note, I thought for a moment that the preStop hook would take precedence over terminationGracePeriodSeconds and preventing Kubernetes from sending SIGKILL until the hook finished running.

[zroubalik]

Makes sense, are you willing to contribute an improvement here?

[stale]

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