docs: bump antora-cpp-reference/tagfiles extensions to 0.1.1

[mvandeberg]

Update the C++ documentation toolchain to the latest published versions so npm ci installs them. Both extensions move in lockstep because they share the tagfile-registry handshake.

[cppalliance-bot]

An automated preview of the documentation is available at https://307.capy.prtest3.cppalliance.org/index.html

If more commits are pushed to the pull request, the docs will rebuild at the same URL.

2026-06-09 21:51:18 UTC

[cppalliance-bot]

GCOVR code coverage report https://307.capy.prtest3.cppalliance.org/gcovr/index.html
LCOV code coverage report https://307.capy.prtest3.cppalliance.org/genhtml/index.html
Coverage Diff Report https://307.capy.prtest3.cppalliance.org/diff-report/index.html

Build time: 2026-06-09 22:08:20 UTC

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.10%. Comparing base (b541cb6) to head (c60b5e5).

Additional details and impacted files

@@           Coverage Diff            @@
##           develop     #307   +/-   ##
========================================
  Coverage    98.10%   98.10%           
========================================
  Files          164      164           
  Lines         8931     8931           
========================================
  Hits          8762     8762           
  Misses         169      169           

Flag	Coverage Δ
linux	98.20% <ø> (ø)

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