Log Message:
geogrpahy/geos: Update to 3.9.0

Upstream NEWS:

Changes in 3.9.0beta1
2020-11-27

- New things:
  - MaximumInscribedCircle and LargestEmptyCircle (JTS-530, Paul Ramsey)
  - CAPI: Fixed precision overlay operations (Sandro Santilli, Paul Ramsey)
  - CAPI: GEOSPreparedNearestPoints (#1007, Sandro Santilli)
  - CAPI: GEOSPreparedDistance (#1066, Sandro Santilli)
  - SimpleSTRTree spatial index implementation (Paul Ramsey)
  - Add support for pkg-config for GEOS C API (#1073, Mike Taves)

- Improvements:
  - Stack allocate segments in OverlapUnion (Paul Ramsey)
  - Improve performance of GEOSisValid (Dan Baston)
  - Update geos-config tool for consistency
    and escape paths (https://git.osgeo.org/gitea/geos/geos/pulls/99)
    changes mostly affect CMake MSVC builds (#1015, Mike Taves)
  - Testing on Rasberry Pi 32-bit (berrie) (#1017, Bruce Rindahl, Regina Obe)
  - Replace ttmath with JTS DD double-double implementation (Paul Ramsey)
  - Fix bug in DistanceOp for geometries with empty components (#1026, Paul Ramsey)
  - Remove undefined behaviour in CAPI (#1021, Greg Troxel)
  - Fix buffering issue (#1022, JTS-525, Paul Ramsey)
  - MinimumBoundingCircle.getMaximumDiameter fix (JTS-533, Paul Ramsey)

- Changes:
  - Drop SWIG bindings, including for Ruby and Python (#1076, Mike Taves)