build(deps-dev): bump coverage from 7.11.3 to 7.12.0

[dependabot]

Bumps coverage from 7.11.3 to 7.12.0.

Changelog

Sourced from coverage's changelog.

Version 7.12.0 — 2025-11-18

• The HTML report now shows separate coverage totals for statements and branches, as well as the usual combined coverage percentage. Thanks to Ryuta Otsuka for the discussion <issue 2081_>_ and the implementation <pull 2085_>_.

• The JSON report now includes separate coverage totals for statements and branches, thanks to Ryuta Otsuka <pull 2090_>_.

• Fix: except* clauses were not handled properly under the "sysmon" measurement core, causing KeyError exceptions as described in issue 2086_. This is now fixed.

• Fix: we now defend against aggressive mocking of open() that could cause errors inside coverage.py. An example of a failure is in issue 2083_.

• Fix: in unusual cases where a test suite intentionally exhausts the system's file descriptors to test handling errors in open(), coverage.py would fail when trying to open source files, as described in issue 2091_. This is now fixed.

• A small tweak to the HTML report: file paths now use thin spaces around slashes to make them easier to read.

.. _issue 2081: coveragepy/coveragepy#2081 .. _issue 2083: coveragepy/coveragepy#2083 .. _pull 2085: coveragepy/coveragepy#2085 .. _issue 2086: coveragepy/coveragepy#2086 .. _pull 2090: coveragepy/coveragepy#2090 .. _issue 2091: coveragepy/coveragepy#2091

.. _changes_7-11-3:

Commits

• 63db2b1 docs: sample HTML for 7.12.0
• 598bbc3 docs: prep for 7.12.0
• 557dd15 feat: add statement and branch coverage percentages to JSON report (#2090)
• e18359c fix: don't crash if open() genuinely fails. #2091
• fff5e59 docs: thanks, Ryuta Otsuka #2085
• 97bf625 docs: support files for the sample html
• 8320b74 style(html): tweak the styling for the new stmt/branch stats #2085
• 7e08183 feat(templite): {% else %}
• 4abe253 feat: add statement and branch coverage columns to index.html report (#2085)
• ddbafa9 build: no longer need to work around a pytest/iTerm2 bug
• Additional commits viewable in compare view

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[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.81%. Comparing base (f4cb8f6) to head (b4da424).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #432   +/-   ##
=======================================
  Coverage   99.81%   99.81%           
=======================================
  Files           2        2           
  Lines        1625     1625           
=======================================
  Hits         1622     1622           
  Misses          3        3           

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