Improvements

• Small changes to add support for gdal 3.9 (#528)
• Several improvements to documentation: new FAQ, improved user guide,...
  (#465, #469, #474)
• Use ruff-format instead of black for formatting (#479)

Bugs fixed

• Fix crash when using e.g. erase with gridsize <> 0.0 specified on input file
  containing an EMPTY geometry (#470)
• Fix dissolve possibly having EMPTY geometries as output if gridsize <> 0.0 (#473)
• Fix wrong results from join_by_location if ran on result of join_by_location
  with column_prefixes="" (#475)
• Fix error in two layer operations if equal column aliases used based on a constant or
  a function result (#477)
• Fix erase (and depending two layer operations like union,...) giving wrong results
  if subdivide_coords < 1 (#489)
• Fix two-layer operations with gridsize sometimes outputting NULL geometries (#495)