[PR #14067/cdb8366e backport][9.0.x] Docs: pin sphinx to <9.0#14068

nicoddemus merged 1 commit into9.0.xpytest-dev/pytest:9.0.xfrom

patchback/backports/9.0.x/cdb8366e634f429fccb3db5f566d3c57cc298b05/pr-14067pytest-dev/pytest:patchback/backports/9.0.x/cdb8366e634f429fccb3db5f566d3c57cc298b05/pr-14067Copy head branch name to clipboard