update version number.

Author: jnwei

setup.py

@@ -113,7 +113,7 @@ def get_cuda_bare_metal_version(cuda_dir):
 
 setup(
     name='openfold',
-    version='2.0.0',
+    version='2.2.0',
     description='A PyTorch reimplementation of DeepMind\'s AlphaFold 2',
     author='OpenFold Team',
     author_email='[email protected]',