Link rot: the nightly sweep found dead links

[github-actions]

The scheduled link sweep found dead links.

This issue is rewritten by each failing sweep and closed by the first
passing one, so it always describes the current state.

lychee...................................................................Failed
- hook id: lychee
- exit code: 2

  [WARN] libs/source-view/test/data/md/goldens/callouts.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/code.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/links.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/code-tall.md: No files found for this input source
    [WARN] Host lwn.net sent an unexpectedly big rate limit backoff duration of 5m. Capping the duration to 1m instead.
    [WARN] Host lwn.net sent an unexpectedly big rate limit backoff duration of 5m. Capping the duration to 1m instead.
    [WARN] Host lwn.net sent an unexpectedly big rate limit backoff duration of 5m. Capping the duration to 1m instead.
    [WARN] libs/source-view/test/data/md/goldens/headings.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/inline.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/tables-wrap.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/tables-wide.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/tables-tall.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/tables.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/misc.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/lists.md: No files found for this input source
    [WARN] libs/source-view/test/data/md/goldens/kitchen-sink.md: No files found for this input source
  Issues found in 5 inputs. Find details below.

  [docs/research/algebraic-effects/scala-kyo.md]:
  [404] https://www.scalamatters.io/post/writing-modular-applications-using-the-kyo-library (at 249:3) | Rejected status code: 404 Not Found

  ℹ Suggestions
  https://www.scalamatters.io/post/writing-modular-applications-using-the-kyo-library --> http://web.archive.org/web/20260611194301/https://www.scalamatters.io/post/writing-modular-applications-using-the-kyo-library

  [docs/research/monorepo-tooling/cmake/index.md]:
  [403] https://gitlab.kitware.com/cmake/cmake (at 274:43) | Rejected status code: 403 Forbidden
  [403] https://gitlab.kitware.com/cmake/cmake (at 9:54) | Rejected status code: 403 Forbidden
  [403] https://gitlab.kitware.com/cmake/cmake/-/blob/master/Modules/FetchContent.cmake (at 279:3) | Rejected status code: 403 Forbidden
  [403] https://gitlab.kitware.com/cmake/cmake/-/blob/master/Modules/FetchContent.cmake (at 30:230) | Rejected status code: 403 Forbidden

  ℹ Suggestions
  https://gitlab.kitware.com/cmake/cmake --> http://web.archive.org/web/20260921024837/https://gitlab.kitware.com/cmake/cmake

  [docs/research/monorepo-tooling/sbt/index.md]:
  [404] https://www.scala-sbt.org/1.x/docs/sbt-1.4-Release-Notes.html (at 356:47) | Rejected status code: 404 Not Found
  [404] https://www.scala-sbt.org/1.x/docs/sbt-1.4-Release-Notes.html (at 447:3) | Rejected status code: 404 Not Found

  ℹ Suggestions
  https://www.scala-sbt.org/1.x/docs/sbt-1.4-Release-Notes.html --> http://web.archive.org/web/20260807224245/https://www.scala-sbt.org/1.x/docs/sbt-1.4-Release-Notes.html

  [docs/research/sean-parent/safety.md]:
  [403] https://www.misra.org.uk/ (at 246:3) | Rejected status code: 403 Forbidden

  ℹ Suggestions
  https://www.misra.org.uk/ --> http://web.archive.org/web/20260820201326/https://misra.org.uk/

  [docs/research/vulkan/d-erupted.md]:
  [404] https://github.com/ColonelThirtyTwo/dvulkan (at 12:39) | Rejected status code: 404 Not Found
  [404] https://github.com/ColonelThirtyTwo/dvulkan (at 265:3) | Rejected status code: 404 Not Found
  [404] https://github.com/ColonelThirtyTwo/dvulkan (at 354:3) | Rejected status code: 404 Not Found

  ℹ Suggestions
  https://github.com/ColonelThirtyTwo/dvulkan --> http://web.archive.org/web/20250710045956/https://github.com/ColonelThirtyTwo/dvulkan

  🔍 71628 Total (in 2m 29s 712ms) 🔗 17331 Unique ✅ 68212 OK 🚫 11 Errors 👻 3403 Excluded ⛔ 2 Unsupported 🔀 14 Redirects

  Hint: Followed 14 redirects. You might want to consider replacing redirecting URLs with the resolved URLs. Use verbose mode (`-v`/`-vv`) to see redirection details.