chore: bump version

Author: sveneberth

src/viur/toolkit/version.py

@@ -3,7 +3,7 @@
 # This will mark it as a pre-release as well on PyPI.
 # See CONTRIBUTING.md for further information. # TODO: tbd
 
-__version__ = "0.3.0"
+__version__ = "0.3.1"
 
 assert __version__.count(".") >= 2 and "".join(__version__.split(".", 3)[:3]).isdigit(), \
     "Semantic __version__ expected!"