ggspatial 1.1.6

• Added terra package support (@dieghernan, #92, #94)
• Fix north arrow rotation (@potash, #82)
• Add support for factor/categorical rasters (@JoshOBrien, #78)
• Better raster support for stars (@dieghernan, #95)
• Fix example data for updated sf/GDAL (@rsbivand, #101)