[Feature] Add support of fastbuild generator (cmake 4.2 +)

[dradoudine]

Is your feature request related to a problem? Please describe.
cmake now support fastbuild generator (since 4.2 released few days ago)
https://cmake.org/cmake/help/latest/generator/FASTBuild.html
In menu, fastbuild is not available

Describe the solution you'd like
Add fastbuild as an option with -G

Describe alternatives you've considered

Additional context
add in listbox fastbuild

[15knots]

@dradoudine : Since my distri does not provide cmake 4.2 nor FASTbuild I need help to test it before I release the changes.