Set version

Author: adam-urbanczyk

setup.py

@@ -41,7 +41,7 @@
 setup(
     name="cadquery",
     use_scm_version=True,
-    # version="2.3.0",  # Uncomment this for the next release
+    version="2.3.0dev",  # Update this for the next release
     url="https://github.com/CadQuery/cadquery",
     license="Apache Public License 2.0",
     author="David Cowden",