Version 2.0.0 (#64)

2.0.0.beta has been out for a while, and no bugs have been reported.

The current state now supports Ruby 3.0, so it seems like a good
opportunity to push a final version.

Author: parndt

lib/babosa/version.rb

@@ -2,6 +2,6 @@
 
 module Babosa
   module Version
-    STRING = "2.0.0.beta"
+    STRING = "2.0.0"
   end
 end