Update GoogleTest to latest version

[mjcarroll]

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

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

[codecov]

Codecov Report

Merging #257 (d8cb0e5) into main (14f6fd3) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #257   +/-   ##
=======================================
  Coverage   14.53%   14.53%           
=======================================
  Files         200      200           
  Lines       12505    12505           
=======================================
  Hits         1817     1817           
  Misses      10688    10688           

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[chapulina]

Homebrew is unhappy:

/Users/jenkins/workspace/ignition_msgs-ci-pr_any-homebrew-amd64/ign-msgs/test/gtest/include/gtest/internal/gtest-port.h:844:12: error: no member named 'make_tuple' in namespace 'std'
using std::make_tuple;
      ~~~~~^

[mjcarroll]

Homebrew is unhappy:

I think we aren't correctly setting c++17 for ign-msgs.