chore: release Windows VHD for v0.59.0 aks-engine release

[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:

[jackfrancis]

/lgtm

[codecov]

Codecov Report

Merging #4158 (b2249fc) into master (bcc8a73) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #4158   +/-   ##
=======================================
  Coverage   73.27%   73.27%           
=======================================
  Files         135      135           
  Lines       20720    20720           
=======================================
  Hits        15183    15183           
  Misses       4562     4562           
  Partials      975      975           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update bcc8a73...b2249fc. Read the comment docs.

[jsturtevant]

/lgtm

[acs-bot]

[APPROVALNOTIFIER] This PR is APPROVED

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

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [jackfrancis,jsturtevant,marosset]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment