Ship 4.5-rc1 with Linux bundles.

scripts/shipping/prepare-linux-qt-for-shipping.sh

 #!/usr/bin/env bash
 
-version=4.4.3
+version="4.5-rc1"
 workdir=/home/berlin/dev/qt-${version}-temp
 destdir=/home/berlin/dev/qt-${version}-shipping/qt  # "/qt" suffix for Bitrock
 dir=qt-x11-opensource-src-${version}