Update version information for Tahoe (#27)

Note: No new toolchain modifications were done. This is only an extension of the current toolchain onto a new OS.

Clarify intent.

Add gfortran 14.2 for R 4.5.z (#24)

* Add gfortran 14.2 for R 4.5.z

* Update version

Add macOS 15 to the list of supported OS types (#17)

Update NEWS.md

Bump version to R 0.0.3

Add strip level for R 4.3 Intel build (3 now, not 2)