Bump version number to 2.0.4rc2

Author: Photonios

setup.py

@@ -36,7 +36,7 @@ def run(self):
 
 setup(
     name="django-postgres-extra",
-    version="2.0.4rc1",
+    version="2.0.4rc2",
     packages=find_packages(exclude=["tests"]),
     include_package_data=True,
     license="MIT License",