Fix: Create global coauthor file

[rkotze]

Description

When creating the global git-coauthor file provide the global path internally instead of using the pathToCoAuthors fn.

Pull request checklist

• Tests for the changes have been added (for bug fixes / features)
• Docs have been reviewed and added / updated if needed (for bug fixes / features)
• Build (npm run build) was run locally and any changes were pushed
• All tests and linting (npm run checks) has passed locally and any fixes were made for failures
• I kept my pull requests small so it can be reviewed easier

Pull request type

Please check the type of change your PR introduces:

• Bugfix

What is the current behaviour?

If a local .git-coauthor file is fine it will write the changes their instead of globally.

Issue URL:

What is the new behaviour?

Creating a global .git-coauthor file will only check and create a global file.

Does this introduce a breaking change?

• Yes
• No