Update openapi-codec from 1.3.1 to 1.3.2 (#2642)

requirements/common.txt

@@ -125,8 +125,8 @@ Jinja2==2.9.6 \
     --hash=sha256:2231bace0dfd8d2bf1e5d7e41239c06c9e0ded46e70cc1094a0aa64b0afeb054
 MarkupSafe==1.0 \
     --hash=sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665
-openapi-codec==1.3.1 \
-    --hash=sha256:7d88a4cecddf53002e58256a1e9d7fe20af0c8560d008a6e6e3cd5dbcba1109d
+openapi-codec==1.3.2 \
+    --hash=sha256:1bce63289edf53c601ea3683120641407ff6b708803b8954c8a876fe778d2145
 
 # Required by coreapi
 itypes==1.1.0 --hash=sha256:c6e77bb9fd68a4bfeb9d958fea421802282451a25bac4913ec94db82a899c073