fix: Fix uhashmap test name (#5563)

# Description

## Problem\*

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

## Summary\*

The wrong test name here is causing CI on other PRs to fail (namely
#5540) - not sure how the original
PR passed checks with this.

## Additional Context



## Documentation\*

Check one:
- [x] No documentation needed.
- [ ] Documentation included in this PR.
- [ ] **[For Experimental Features]** Documentation to be submitted in a
separate PR.

# PR Checklist\*

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

test_programs/execution_success/uhashmap/Nargo.toml

@@ -1,6 +1,6 @@
 [package]
-name = "hashmap"
+name = "uhashmap"
 type = "bin"
 authors = [""]
 
-[dependencies]
+[dependencies]