ENH: Improve Windows tarball compress

>2GB to <800MB. Under the 2GB GitHub Release limit.

Based on suggestions here:

  https://superuser.com/questions/281573/what-are-the-best-options-to-use-when-compressing-files-using-7-zip

scripts/windows-build-tarball.ps1

@@ -1,7 +1,7 @@
-# This script creates a tarball of the ITK Python package build tree. It is
-# downloaded by the external module build scripts and used to build their
-# Python package on GitHub CI services.
-
-cd C:\P\
-Remove-Item IPP\dist\*
-C:\7-Zip\7z.exe a -r 'C:\P\ITKPythonBuilds-windows.zip' -w 'C:\P\IPP' -mem=AES256
+# This script creates a tarball of the ITK Python package build tree. It is
+# downloaded by the external module build scripts and used to build their
+# Python package on GitHub CI services.
+
+cd C:\P\
+Remove-Item IPP\dist\*
+C:\7-Zip\7z.exe a -t7z -mx=9 -mfb=273 -ms -md=31 -myx=9 -mtm=- -mmt -mmtf -md=1536m -mmf=bt3 -mmc=10000 -mpb=0 -mlc=0 -r 'C:\P\ITKPythonBuilds-windows.zip' -w 'C:\P\IPP'