Merge topic 'doc-3.26-relnotes' 385435cf78 Help: Organize and revise 3.26 release notes 4c63f031c1 Help: Consolidate 3.26 release notes bc1ba6d56b Help: Document experimental feature gate affecting CXX_SCAN_FOR_MODULES 71f9c1943d FindImageMagick: Fix documentation syntax in usage example Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !8148