[flang-commits] [clang] [flang] [flang][driver] Rename `flang-new` as `flang` (PR #74377)

[via flang-commits]

h-vetinari wrote:

Given the state of the discussion on discourse, I looked at this PR again, and was curious about conflicts with main. I don't think I'm the right person to propose this as a PR, but if someone wants to take my attempt as a jumping-off point, I put the branch [here](https://github.com/h-vetinari/llvm-project/tree/flang_rename).

https://github.com/llvm/llvm-project/pull/74377