Bump up DocFX version.

Author: airbreather

generate-docs.cmd

@@ -3,7 +3,7 @@ REM ===========================================================================
 REM Regenerates the https://nettopologysuite.github.io/NetTopologySuite.IO.GPX
 REM content locally
 REM ===========================================================================
-set DOCFX_PACKAGE_VERSION=2.41.0
+set DOCFX_PACKAGE_VERSION=2.43.1
 pushd %~dp0
 REM incremental / cached builds tweak things about the output, so let's do it
 REM all fresh if we can help it...