Issue for - Sync with Upstream v1.31

[rfranzke]

What would you like to be added

Gardener autoscaler should be synced with respective Kubernetes Autoscaler 1.31.0 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

Please follow the steps in How do I sync gardener autoscaler with an upstream autoscaler minor release

[aaronfern]

/assign