chore: update aks-engine VHD Windows VHD

[marosset]

Reason for Change:

Issue Fixed:

Credit Where Due:

Does this change contain code from or inspired by another project?

• No
• Yes

If "Yes," did you notify that project's maintainers and provide attribution?

• No
• Yes

Requirements:

• uses conventional commit messages
• includes documentation
• adds unit tests
• tested upgrade from previous version

Notes:

[jsturtevant]

/lgtm

[codecov]

Codecov Report

Merging #4218 (745f415) into master (805416e) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4218   +/-   ##
=======================================
  Coverage   73.36%   73.36%           
=======================================
  Files         135      135           
  Lines       20849    20849           
=======================================
  Hits        15296    15296           
  Misses       4576     4576           
  Partials      977      977           

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[jackfrancis]

/lgtm

[acs-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

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