[clang] [flang] [flang] Add dependent-lib option to flang -fc1 on Windows (PR #72121)

[antoine moynault via cfe-commits]

antmox wrote:

hello! looks like this broke some bots:
https://lab.llvm.org/buildbot/#/builders/175/builds/39052
https://lab.llvm.org/buildbot/#/builders/268/builds/2443
could it be the missing colon after REQUIRES in dependent-lib.f90 ?

https://github.com/llvm/llvm-project/pull/72121