Build script fails on Windows 10 - Visual Studio 2022 - Pulled from master branch

[Ricardo Reis]

OpenUSD/build_scripts/build_usd.py

Line 907 in 2864f3d

 b2_settings.append(f"define=BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT=0") 

This line fails when compiling on my end (syntax error). This issue might also affect others.
Making the "f-string" into a standard string fixes the issue. Since there are no arguments on this "f-string", a standard string could safely replace it.

[Ricardo Reis]

b2_settings.append("define=BOOST_UNORDERED_HAVE_PIECEWISE_CONSTRUCT=0")
Simple fix.