Fortran: Add option to run the compiler through launcher tools

Add a Fortran_COMPILER_LAUNCHER target property like those added for C and CXX by 698f7597 and CUDA by !949 (merged).

Fixes: #17499 (closed)

mentioned in issue #17499 (closed)

Do: test

This merge request has been queued for testing. Test results may be viewed on:

• CDash (master)
• Buildbot (master) (only visible from inside Kitware)

Branch-at-master: f19c70c3

added workflow:in-review label

Do: stage

added workflow:nightly-testing and removed workflow:in-review labels

Do: merge

removed workflow:nightly-testing label

mentioned in commit 89a628e2

merged