switch version to v2.2.6

Author: JannisNe

setup.py

@@ -5,7 +5,7 @@
 
 setuptools.setup(
     name="flarestack",
-    version="2.2.5",
+    version="2.2.6",
     author="Robert Stein",
     author_email="[email protected]",
     description="Package for unbinned likelihood analysis of physics data",