chore: update library to official 2.0.0 release

Author: thunderbiscuit

setup.py

@@ -18,7 +18,7 @@
 
 setup(
     name="bdkpython",
-    version="2.0.0.dev0",
+    version="2.0.0",
     description="The Python language bindings for the Bitcoin Development Kit",
     long_description=LONG_DESCRIPTION,
     long_description_content_type="text/markdown",