Fix Ruff lint violations

[timkpaine]

Description

Update code for newly enforced Ruff rules without changing lint configuration. Remove a duplicate parameterized test case.

Type of Change

• Bug fix
• New feature
• Documentation update
• Refactor / code cleanup
• CI / build configuration
• Other (describe below)

Checklist

• Linting passes (make lint)
• Tests pass (make test)
• New tests added for new functionality
• Documentation updated (if applicable)
• Changelog / version bump (if applicable)

[github-actions]

Test Results

75 tests   - 1   75 ✅  - 1   53s ⏱️ -8s
 1 suites ±0    0 💤 ±0 
 1 files   ±0    0 ❌ ±0 

Results for commit 60af0f6. ± Comparison against base commit df8c011.

This pull request removes 2 and adds 1 tests. Note that renamed tests count towards both.

hatch_cpp.tests.test_projects.TestProject ‑ test_basic[test_project_override_classes0]
hatch_cpp.tests.test_projects.TestProject ‑ test_basic[test_project_override_classes1]

hatch_cpp.tests.test_projects.TestProject ‑ test_basic[test_project_override_classes]

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

❌ Patch coverage is 94.11765% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.45%. Comparing base (df8c011) to head (60af0f6).

Files with missing lines	Patch %	Lines
hatch_cpp/toolchains/common.py	91.07%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #118      +/-   ##
==========================================
+ Coverage   94.20%   94.45%   +0.25%     
==========================================
  Files          14       14              
  Lines        1190     1173      -17     
==========================================
- Hits         1121     1108      -13     
+ Misses         69       65       -4     

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.