FileNotFoundError when dir doesn't exist

[rdmarsh]

Describe the bug
If you use the "-o file" to output to a file and the directory doesn't exist you'll get this error: FileNotFoundError: [Errno 2] No such file or directory:

To Reproduce
Steps to reproduce the behavior:

1. elm -o non_dir/file.out
2. See error

Expected behavior
An error saying the dir doesn't exist: non_dir/file.out: No such file or directory

Screenshots
FileNotFoundError: [Errno 2] No such file or directory: 'non_dir/file.out'

Desktop (please complete the following information):

• OS: macos 13.6 (22G120)
• Terminal: GNU bash, version 5.2.15(1)-release (aarch64-apple-darwin22.1.0)
• Version: elm, version 1.0.4