Bump sphinx from 7.2.6 to 8.2.3 in /lib/spack/docs#162

dependabot[bot] wants to merge 1 commit intosdsc-0.21.2sdsc/spack:sdsc-0.21.2from

dependabot/pip/lib/spack/docs/sphinx-8.2.3sdsc/spack:dependabot/pip/lib/spack/docs/sphinx-8.2.3Copy head branch name to clipboard