update the windows kubeproxy pod priority level

[zylxjtu]

What type of PR is this?
/kind bug

What this PR does / why we need it:
update the kubeproxy pod priority level, as the node graceful shutdown will kill pod based on the this
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 #

Special notes for your reviewer:

TODOs:

• squashed commits
• includes documentation
• adds unit tests
• cherry-pick candidate

Release note:

[k8s-ci-robot]

Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 53.27%. Comparing base (46be8d1) to head (bacb08d).
Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5641   +/-   ##
=======================================
  Coverage   53.27%   53.27%           
=======================================
  Files         272      272           
  Lines       29522    29522           
=======================================
  Hits        15729    15729           
  Misses      12978    12978           
  Partials      815      815           

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[zylxjtu]

/test pull-cluster-api-provider-azure-e2e-aks

[zylxjtu]

There seems to be an ongoing PR addressing the failure of test: pull-cluster-api-provider-azure-e2e-aks: #5639

[zylxjtu]

/test pull-cluster-api-provider-azure-verify

[k8s-ci-robot]

@zylxjtu: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-cluster-api-provider-azure-e2e-aks	bacb08d	link	true	/test pull-cluster-api-provider-azure-e2e-aks

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[marosset]

/lgtm
/approve

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 578890bb6c2e6f24e71e5a620372cd10564ccd91

[zylxjtu]

I do not think that the gate check-in failures related with my change
assign @vincepri

[jackfrancis]

/test pull-cluster-api-provider-azure-verify

[jackfrancis]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jackfrancis, marosset

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