chore: use the mcr image to avoid too many requests error

[zhiying-lin]

What type of PR is this?
/kind flake

What this PR does / why we need it:
to prevent the too many requests error and make it consistent with fleet repo

Which issue(s) this PR fixes:

Fixes #

Requirements:

• run make reviewable for basic local test
• Read and followed fleet-networking's Code of conduct.
• uses conventional commit messages
• includes documentation
• adds unit tests

How has this code been tested

Special notes for your reviewer

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.10%. Comparing base (929b956) to head (6fecead).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #245      +/-   ##
==========================================
+ Coverage   79.92%   80.10%   +0.18%     
==========================================
  Files          27       27              
  Lines        3851     3851              
==========================================
+ Hits         3078     3085       +7     
+ Misses        616      612       -4     
+ Partials      157      154       -3     

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