Bump the version to 2.2.3.

PiperOrigin-RevId: 469945208
Change-Id: Ic331b8d781c4fa92ad8bda132a20f89aa2ad72f6

Author: Augustin-Zidek

setup.py

@@ -18,7 +18,7 @@
 
 setup(
     name='alphafold',
-    version='2.2.2',
+    version='2.2.3',
     description='An implementation of the inference pipeline of AlphaFold v2.0.'
     'This is a completely new model that was entered as AlphaFold2 in CASP14 '
     'and published in Nature.',