Backport use of google-test 1.14 in example test

[scpeters]

🦟 Bug fix

Fixes #2951.

Summary

Partial backport of 3444847.

Use google-test 1.14 in gtest_setup to fix automatic tests of gtest_setup standalone example.

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
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