Utilities/Release: Fix macOS Qt 5.9 build script umask

Produce a tarball with world-readable permissions.

Utilities/Release/macos/qt-5.9.9-macosx10.10-x86_64-arm64.bash

@@ -13,6 +13,8 @@
 set -e
 set -x
 
+umask 022
+
 # Verify that 'makeuniversal' is available in the PATH.
 type -p makeuniversal >/dev/null