v1.31.3 release

What's Changed

• [release-1.31] chore: fix azcopy download error by @k8s-infra-cherrypick-robot in #2336
• [release-1.31] fix: upgrade azure cloud provider lib to fix AzureStack env setting issue on AKS by @andyzhangx in #2355
• doc: cut v1.31.3 release by @andyzhangx in #2356

Full Changelog: v1.31.2...v1.31.3