Bump version to force push to PyPi

git-svn-id: https://redmine.imt-atlantique.fr/svn/xaal/code/Python/branches/0.7@3214 b32b6428-25c9-4566-ad07-03861ab6144f

libs/lib/pyproject.toml

 [project]
 name = "xaal.lib"
-version = "0.7.3"
+version = "0.7.4"
 description = "Official Python stack for xAAL protocol"
 readme = "README.rst"
 authors = [