chore(deps): update dependency gcovr to v8.7

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
gcovr	==8.6 → ==8.7

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Release Notes

gcovr/gcovr (gcovr)

v8.7

Compare Source

Breaking changes:

• Jinja2 environment for HTML report is now created with undefined=StrictUndefined to raise an
  error if a variable is not defined in the template. (:issue:1282, :issue:1283)
• Links to lines in HTML reports now use L<line> instead of a l<line>. (:issue:1285)
• Rename config key txt-metric (string) to txt-metrics (list of strings in TOML and multiple
  entries in gcovr.config). Remove the deprecated aliases -b, --txt-branches and
  --branches. (:issue:1302)
• Adjust column width of total count in text reports. (:issue:1302)

New features and notable changes:

• Improve HTML report:

  • Improve wrapping of the counter in the default theme. (:issue:1236)
  • Replace meter with div elements in the default theme (like in GitHub themes). (:issue:1236)
  • Add jinja2 rendering for CSS files. (:issue:1252)
  • Add new HTML themes boost.green and boost.blue. (:issue:1248, :issue:1271)
  • Show excluded lines, branches, ... in the summary only if there are any. (:issue:1287)
  • Remove the branches summary and columns if there are no branches in the report,
    e.g all branches are excluded by patterns or comments. (:issue:1305)
  • Replace default theme with github theme which is the new default one. If the prefix github.
    isn't used a warning is printed which will turn into an error in a the next version. (:issue:1313)

• Add compare mode for JSON, text and HTML reports. (:issue:1240, :issue:1266)

• Stub missing line coverage for branches in LLVM source based code coverage format. (:issue:1245)

• Add support for TOML files with :option:--config (:issue:1258)

• Add :option:--fail-under-condition-or-decision with :option:--fail-under-condition and
  :option:--fail-under-decision as synonyms, change the key for the configuration file. (:issue:1293)

• Add support for multiple metrics in one text report and add support for condition coverage. (:issue:1302)

• Warn if a option is used which has no effect when processing tracefiles. (:issue:1307)

• Add options to restrict where GCOV is executed to prevent generating temporary files in
  arbitrary directories. Write protected files are now skipped by default. (:issue:1311)

Bug fixes and small improvements:

• Fix runtime problem introduced with 8.4. (:issue:1270)
• Fix boost HTML details and simple output. (:issue:1274)
• Fix boost HTML support for Conditions, Decisions and Calls optional stats. (:issue:1277)
• Add excluded metrics to boost HTML template (:issue:1280)
• Fix alignment in summary header of HTML single page report. (:issue:1284)
• Fix link to lines in HTML single page report. (:issue:1285)
• Preserve coverage for procedures declared in Fortran modules. (:issue:1288)
• Fix missing branches and conditions for uncovered lines in HTML report. (:issue:1290)
• Fix KeyError when merging tracefiles in which only some report a function position. (:issue:1297)

Documentation:

• Add section about gcov options which should not be used to FAQ. (:issue:1237)
• Add separate option groups for each format. (:issue:1304)

Internal changes:

• Add CSS and JS files to all folders where a HTML reference file is present. (:issue:1241)
• Refactor internal data model from a flat list to a tree which matches the folder structure of the
  source files. Also add a properties element which is cleared after each report format to store meta
  data for the report generation and update the dicts in the HTML report to use it. (:issue:1261)
• Activate sorting of includes for ruff. (:issue:1294)
• Add gcc-16, clang-21 and clang-22 to the test suite. (:issue:1300)
• Use different python versions for testing in docker depending on Ubuntu version. (:issue:1301)
• Activate most checks of ruff. (:issue:1303)
• Update CI runner images. (:issue:1308)
• Always use GCOVR fixture in tests. (:issue:1310)

.. _release_8_6:

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (ef8894d) to head (22da282).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##            master       #85   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines          217       217           
  Branches        13        13           
=========================================
  Hits           217       217           

Flag	Coverage Δ
Linux-Clang	85.71% <ø> (ø)
Linux-GCC	100.00% <ø> (ø)
Linux-python	100.00% <ø> (ø)
Windows-MSVC	100.00% <ø> (ø)
Windows-MinGW-UCRT64	100.00% <ø> (ø)
Windows-python	100.00% <ø> (ø)
macOS	85.71% <ø> (ø)
macOS-python	100.00% <ø> (ø)

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