feat(utl/cache): also takes nested .gitignores into account

[sverweij]

Description

• also takes nested .gitignores into account when going through "all the files" in a folder (for --init and for caching)

Motivation and Context

Future feature from #722 (and apparantely, that future is now - see #1071

How Has This Been Tested?

• green ci (coverage is insufficient)
• additional automated non-regression tests

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• Documentation only change
• Refactor (non-breaking change which fixes an issue without changing functionality)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• AI has been involved in the creation of pull request

Checklist

• 📖

  • My change doesn't require a documentation update, or ...
  • it does and I have updated it

• ⚖️

  • The contribution will be subject to The MIT license, and I'm OK with that.
  • The contribution is my own original work.
  • I am ok with the stuff in CONTRIBUTING.md.

[sonarqubecloud]

Quality Gate passed

Issues
3 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud