Update checked conda version

Author: betatim

tests/conda/binder-dir/verify

@@ -5,4 +5,4 @@ assert sys.version_info[:2] == (3, 5), sys.version
 
 import numpy
 import conda
-assert conda.__version__ == '4.5.12', conda.__version__
+assert conda.__version__ == '4.5.11', conda.__version__