Rename coverage to Coverage.py

[nathanjmcdougall]

We're not changing the CLI interface from usethis tool coverage but everything else needs to change.

[codspeed-hq]

CodSpeed Performance Report

Merging #631 will not alter performance

_{Comparing 619-give-the-correct-name-for-coveragepy (a744de6) with main (49ab363)}

Summary

✅ 1 untouched benchmarks

[codecov]

Codecov Report

Attention: Patch coverage is 95.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 97.55%. Comparing base (0f7e421) to head (a744de6).
Report is 4 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/usethis/_tool/impl/coverage_py.py	83.33%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #631   +/-   ##
=======================================
  Coverage   97.55%   97.55%           
=======================================
  Files         102      102           
  Lines        4453     4454    +1     
=======================================
+ Hits         4344     4345    +1     
  Misses        109      109           

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[Copilot]

Pull Request Overview

This PR renames the internal CoverageTool class and associated calls to CoveragePyTool and updates help messages and test expectations to reference "Coverage.py" while keeping the CLI command as coverage.

• Renamed CoverageTool → CoveragePyTool (class, imports, and function calls)
• Updated name property and help outputs to use "Coverage.py"
• Adjusted tests to reference the new class and display name

Reviewed Changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tests/usethis/_tool/impl/test_coverage.py	Updated import and calls to use CoveragePyTool
tests/usethis/_interface/test_tool.py	Changed help text and command‐matching logic for Coverage.py
tests/usethis/_core/test_list.py	Updated expected tool name to "Coverage.py"
tests/usethis/_core/test_core_tool.py	Switched use_coverage → use_coverage_py and updated output
src/usethis/_tool/impl/pytest.py	Replaced CoverageTool references with CoveragePyTool
src/usethis/_tool/impl/pyproject_toml.py	Swapped import of CoverageTool for CoveragePyTool
src/usethis/_tool/impl/coverage.py	Renamed class and updated print_how_to_use messages
src/usethis/tool/all.py	Replaced CoverageTool with CoveragePyTool in tool list
src/usethis/_interface/tool.py	Renamed internal function use and help text to Coverage.py
src/usethis/_core/tool.py	Changed use_coverage → use_coverage_py and imports

Comments suppressed due to low confidence (2)

tests/usethis/_tool/impl/test_coverage.py:9

• [nitpick] Rename the test class to TestCoveragePyTool to match the renamed CoveragePyTool class for consistency.

class TestCoverageTool:

tests/usethis/_tool/impl/test_coverage.py:1

• [nitpick] Consider renaming this test file to test_coverage_py.py to align with the class under test.

tests/usethis/_tool/impl/test_coverage.py