release.sh: improve the release script
release.sh: improve the release script

Include non-default input modules and add a build run using SDL2.

Signed-off-by: Martin Kepplinger <07ddf30bcca2a0d3056e54ffbfe155352a6af244@posteo.de>

kergoth/tslib,kergoth/tslib,kergoth/tslib,kergoth/tslib