TuringLang/MCMCChains.jl: v4.7.1

MCMCChains v4.7.1 Diff since v4.7.0 Closed issues: DIC example not working (#267) Corner plot appears to be broken (#269) Merged pull requests: Add Documenter.jl (#265) (@rikhuijzer) Fix README.md and add a few more doctests (#272) (@rikhuijzer) CompatHelper: add new compat entry for "MLJXGBoostInterface" at version "0.1" for package docs (#273) (@github-actions[bot]) CompatHelper: add new compat entry for "MLJModels" at version "0.14" for package docs (#274) (@github-actions[bot]) Add Gadfly examples (#275) (@rikhuijzer) CompatHelper: bump compat for "CategoricalArrays" to "0.9" for package docs (#276) (@github-actions[bot]