chore: bump ver

Author: Philippe Cote-Boucher

setup.py

@@ -6,7 +6,7 @@
     long_description = f.read()
 setup(
     name='rasa_addons',
-    version='0.7.3',
+    version='0.7.4',
     author='Botfront',
     description="Rasa Addons - Components for Rasa and Botfront",
     long_description=long_description,