Release pvlink 0.2.3

pvlink/_version.py

@@ -4,5 +4,5 @@
 # Copyright (c) Juelich Supercomputing Centre (JSC).
 # Distributed under the terms of the Modified BSD License.
 
-version_info = (0, 2, 3, 'dev')
+version_info = (0, 2, 3)
 __version__ = ".".join(map(str, version_info))