Checkout ait cache 5 for AIT runs

[jtduffy]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.69%. Comparing base (4431da3) to head (2ffc757).
Report is 5 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2164      +/-   ##
============================================
- Coverage     70.74%   70.69%   -0.05%     
+ Complexity    10006    10002       -4     
============================================
  Files           842      842              
  Lines         40346    40348       +2     
  Branches       6115     6115              
============================================
- Hits          28542    28526      -16     
- Misses         9054     9072      +18     
  Partials       2750     2750              

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[jtduffy]

Merging - both failing Solr AITs are flaky