ENH/CLN: add HistPlot class inheriting MPLPlot
Merge pull request #7809 from sinhrks/histplot

ENH/CLN: add HistPlot class inheriting MPLPlot
DOC: Release note format correction
Merge pull request #7995 from sinhrks/rn_7812

DOC: Release note format correction
ENH: plot functions accept multiple axes and layout kw
ENH/CLN: add BoxPlot class inheriting MPLPlot