Update GoogleTest to latest version

[mjcarroll]

Import latest version of GoogleTest from upstream and adjust build accordingly.

Tracking issue: #1537

Signed-off-by: Michael Carroll [email protected]

[codecov]

Codecov Report

Merging #1559 (1af89a8) into main (b559eb6) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #1559      +/-   ##
==========================================
+ Coverage   63.59%   63.61%   +0.02%     
==========================================
  Files         330      330              
  Lines       25881    25881              
==========================================
+ Hits        16459    16465       +6     
+ Misses       9422     9416       -6     

Impacted Files	Coverage Δ
src/SimulationRunner.cc	92.46% <0.00%> (+0.94%)	⬆️

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[ahcorde]

CI is unhappy, flaky ?

[mjcarroll]

CI is unhappy, flaky ?

Those three aren't marked as required, I'm assuming they have existing problems here.