geography/geos: Update to 3.11.0

Upstream NEWS:

- New things:
  - OffsetCurve (GH-530, Paul Ramsey/Martin Davis)
  - ConcaveHull (GH-549, Paul Ramsey/Martin Davis)
  - PolygonHull (GH-603, Paul Ramsey/Martin Davis)
  - LineMerger directed option (GH-597, Sergei Sh)
  - CAPI: GEOSHilbertCode (GH-556, Brendan Ward)
  - CAPI: GEOSGeom_createRectangle (GH-558, Brendan Ward)
  - CAPI: GEOSGeom_transformXY (GH-563, Dan Baston/Brendan Ward)
  - CAPI: GEOSRemoveRepeatedPoints (GH-599, Paul Ramsey)
  - CAPI: GEOSLineMergeDirected (GH-597, Sergei Sh)

- Improvements:
  - Allow direct setting of grid size (GH-513, Martin Davis)
  - Allow GEOS to be used as a CMake subproject (GH-518, Robert Coup)
  - Remove .inl inline files in favour of header declaration (GH-543, Paul Ramsey)
  - Add SnappingNoder seeding (Martin Davis)
  - Add OverlayNG area check heuristic (JTS-812, Paul Ramsey)

(gdt)