chore: only ignore Nargo.toml in test_programs directory and not su… (

#4451)

…bdirectories

# Description

## Problem\*

Resolves <!-- Link to GitHub Issue -->

## Summary\*



## Additional Context



## Documentation\*

Check one:
- [ ] No documentation needed.
- [ ] Documentation included in this PR.
- [ ] **[Exceptional Case]** Documentation to be submitted in a separate
PR.

# PR Checklist\*

- [ ] I have tested the changes locally.
- [ ] I have formatted the changes with [Prettier](https://prettier.io/)
and/or `cargo fmt` on default settings.

test_programs/.gitignore

@@ -1,3 +1,3 @@
 acir_artifacts
 execution_success/**/crs
-Nargo.toml
+./Nargo.toml