Update amo-validator from 1.10.51 to 1.10.52 (#4548)

requirements/prod.txt

@@ -40,9 +40,9 @@ PyJWT==1.4.2 \
     --hash=sha256:87a831b7a3bfa8351511961469ed0462a769724d4da48a501cb8c96d1e17f570
 SQLAlchemy==0.7.5 \
     --hash=sha256:7e31190a15753694dcb6f4399ce7d02091b0bccf825272d6254e56144debfd18 # pyup: ==0.7.5
-amo-validator==1.10.51 \
-    --hash=sha256:7b7ccc118d89f68be2a164fd3a11798c85069fd16dc8635e610171892b6a4044 \
-    --hash=sha256:df6fd25a5ce37b0139961c0ae5766e5a4408ccca62d38360c8270f961608d9be
+amo-validator==1.10.52 \
+    --hash=sha256:352f0263f6e08b168f3a884529ea4fb917b118e9dfddafeb1a1f2ff137c7bb21 \
+    --hash=sha256:c1d452bb891608508168c88092a1ac48c735234d4e5b97787ab7bf6645d8caf1
 # amqp is required by kombu
 amqp==1.4.9 \
     --hash=sha256:e0ed0ce6b8ffe5690a2e856c7908dc557e0e605283d6885dd1361d79f2928908 \