Ensuring intermediate output path exists

[jpeirson]

Fixes #2815

When generating the GitVersionInformation.g.cs file, checks that the IntermediateOutputPath exists before attempting to write the file.

Description

Added CreateDirectory() when calling GenerateGitVersionInformation task.

Related Issue

#2815

Motivation and Context

Fixes above issue, which I'm able to reproduce in my own project.

How Has This Been Tested?

• Unit tests
• Run against sample project from issue

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation. --> no
• I have added tests to cover my changes.
• All new and existing tests passed.

[arturcic]

@jpeirson can you fix it in the same way the UpdateAssemblyInfo task as well?

[jpeirson]

@arturcic done.

[arturcic]

@jpeirson do you mind fixing https://github.com/GitTools/GitVersion/runs/6396823891?check_suite_focus=true

[mergify]

Thank you @jpeirson for your contribution!