Silent failure when dependency path is incorrect in library.json

Configuration

Operating system: Windows

PlatformIO Version: 6.1.14

Description of problem

If you put this in a library.json file:

{
  "dependencies": {
    "nonexistent_lib_1": "symlink:../hfzehfzeiohize",
    "nonexistent_lib_2": "file:../hrfiohgeuibz"
  }
}

PlatformIO will happily tell you:

Library Manager: Installing symlink:../hfzehfzeiohize
Library Manager: Installing file:../hrfiohgeuibz

even though none of those paths exist. This makes tracking path issues painful.

Expected Results

I would expect:

Library Manager: Installing symlink:../hfzehfzeiohize
PackageException: Can not create a symbolic link for `../hfzehfzeiohize`, not a directory

or:

Library Manager: Installing symlink:../hfzehfzeiohize
VCSBaseException: VCS: Unknown repository type symlink:../hfzehfzeiohize