linkcheck: disallow 'None' value for 'linkcheck_allowed_redirects' setting#13483

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jayaddison wants to merge 4 commits intosphinx-doc:masterfrom

jayaddison:issue-13462/fix-linkcheck-theme-regression-when-allow-redirects-is-none

Commits on Apr 4, 2025

Tests: uncover a quirk in our ``linkcheck`` tests
jayaddison
committed

Commits on Apr 14, 2025