v1.6.1

Modifies https://github.com/fortran-lang/setup-fortran/releases/tag/v1.6.1

For Intel on Windows

• Cache key doesn't include date
• Only installs intel.oneapi.win.ifort-compiler component

Full Changelog: fortran-lang/setup-fortran@v1.6.1...scharlton2:setup-fortran:v1.6.1