Update amo-validator from 1.10.63 to 1.10.64

requirements/prod.txt

@@ -74,9 +74,9 @@ PyJWT==1.5.0 \
     --hash=sha256:fd182b728d13f04c289d9b2623d09256d356c9b4a6778018001454a954d7c54b
 SQLAlchemy==0.7.5 \
     --hash=sha256:7e31190a15753694dcb6f4399ce7d02091b0bccf825272d6254e56144debfd18 # pyup: ==0.7.5
-amo-validator==1.10.63 \
-    --hash=sha256:67ca3d5173741101ab5bcd1f6013f1bff5498909c84c88c691719b5076fedc79 \
-    --hash=sha256:b0e38289aad3edfd7da11f649b5f274796bed166081f89092511f72d3797ea98
+amo-validator==1.10.64 \
+    --hash=sha256:fa9a745067760a50ca83423e2e2c1105221c5376392fd32afed6ca709957ed4c \
+    --hash=sha256:d573f77665c438dc9cca0e11528379bf23145ca64ab1b334c744460082815c29
 # amqp is required by kombu
 amqp==1.4.9 \
     --hash=sha256:e0ed0ce6b8ffe5690a2e856c7908dc557e0e605283d6885dd1361d79f2928908 \