Bumped major version to due to breaking change in pytest-docker-compose#24

Author: RmStorm

setup.py

@@ -7,7 +7,7 @@
     name="pytest-docker-compose",
     description="Manages Docker containers during your integration tests",
     long_description=long_description,
-    version="2.0.0",
+    version="3.0.0",
     author="Roald Storm",
     author_email="[email protected]",
     url="https://github.com/pytest-docker-compose/pytest-docker-compose",