Issue for - Sync with Upstream v1.27.0

[himanshu-kun]

What would you like to be added

Gardener autoscaler should be synced with respective Kubernetes Autoscaler 1.x.y Release

Why is this needed

• To keep the fork in sync with upstream.
• To ensure the shoot control planes are using respective version of CA for a given K8S version

Steps

• [ ] https://github.com/orgs/gardener/projects/22/views/10?pane=issue&itemId=22219948#:~:text=Support%20Debugging%20of%20Integration%20Tests%23185
• [ ] Please follow the steps in How do I sync gardener autoscaler with an upstream autoscaler minor release

[rishabh-11]

With Kubernetes 1.27, the feature gates CSIMigration and CSIMigrationAWS will not be supported anymore. See this. CSIMigration PR on gardener, which mutates CA feature gates by gardener extensions -> https://github.com/gardener/gardener/pull/6047/. Just keep in mind to take care of this.