Add compiler versions and last-updated date to status table

[gha3mi]

The current status table lacks compiler version information and an indication of when it was last updated.

compiler	version	macos	ubuntu	windows
flang-new	xx.xx	–	fpm ✅ cmake ✅ meson ✅	fpm ❌ cmake ✅ meson ✅
gfortran	xx.xx	fpm ✅ cmake ✅ meson ✅	fpm ✅ cmake ✅ meson ✅	fpm ✅ cmake ✅ meson ✅
ifx	xx.xx	–	fpm ✅ cmake ✅ meson ✅	fpm ✅ cmake ✅ meson ✅
lfortran	xx.xx	fpm ✅ cmake ✅	fpm ✅ cmake ✅	fpm ✅ cmake ✅
nvfortran	xx.xx	–	fpm ✅ cmake ✅ meson ✅	–
mpifort	xx.xx	mpi_fpm ✅	mpi_fpm ✅	–

Last updated: yyyy-mm-dd