Fixed version number that was missed during RC2 release.

jmwright · jmwright · commit 19b4dd3021b3 · 2020-04-16T17:55:33.000-04:00
diff --git a/cadquery/__init__.py b/cadquery/__init__.py
@@ -62,4 +62,4 @@
     "plugins",
 ]
 
-__version__ = "2.0RC1"
+__version__ = "2.0RC2"
