ENH: Improve macOS, Linux, tarball compression options

Author: thewtex

scripts/dockcross-manylinux-build-tarball.sh

@@ -16,5 +16,8 @@ tar -c --to-stdout \
   ITKPythonPackage/oneTBB* \
   ITKPythonPackage/scripts > ITKPythonBuilds-linux.tar
 $zstd_exe -f \
+  -10 \
+  -T6 \
+  --long=31 \
   ./ITKPythonBuilds-linux.tar \
   -o ./ITKPythonBuilds-linux.tar.zst

scripts/macpython-build-tarball.sh

@@ -17,7 +17,9 @@ tar -cf ITKPythonBuilds-macosx${arch_postfix}.tar \
   ITKPythonPackageRequiredExtractionDir.txt \
   ITKPythonPackage/scripts
 zstd -f \
-  -15 \
+  -10 \
+  -T6 \
+  --long=31 \
   ./ITKPythonBuilds-macosx${arch_postfix}.tar \
   -o ./ITKPythonBuilds-macosx${arch_postfix}.tar.zst
 popd > /dev/null