support cross resource group for azure file

[andyzhangx]

What this PR does / why we need it:
support cross resource group for azure file: by resourceGroup field, azure cloud provider will create azure file on user specified resource group

---
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
  name: azurefile-rg
provisioner: kubernetes.io/azure-file
parameters:
  resourceGroup: RESOURCE_GROUP_NAME
  storageAccount: EXISTING_STORAGE_ACCOUNT

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #64428

Special notes for your reviewer:

Release note:

resourcegroup parameter is added to AzureFile storage class to support azure file dyanmic provision in cross resource group.

/kind bug
/sig azure
/assign @feiskyer
cd @khenidak

[feiskyer]

LGTM

[feiskyer]

Could you also add comment on resourcegroup parameter in release note? e.g.

resourcegroup parameter is added to AzureFile storage class to support azure files in cross resource groups.

[feiskyer]

/milestone v1.12

[andyzhangx]

Could you also add comment on resourcegroup parameter in release note

It's done, thanks.

[feiskyer]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: andyzhangx, feiskyer

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Needs approval from an approver in each of these files:

• pkg/cloudprovider/providers/azure/OWNERS [andyzhangx,feiskyer]
• pkg/volume/azure_file/OWNERS [andyzhangx,feiskyer]

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[k8s-github-robot]

Automatic merge from submit-queue (batch tested with PRs 68051, 68130, 67211, 68065, 68117). If you want to cherry-pick this change to another branch, please follow the instructions here: https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md.

[brendandburns]

/lgtm
/approve