Update Hugo to version 0.62.1

Dockerfile

@@ -9,9 +9,9 @@
 # to work around segmentation fault issues.
 FROM golang:1.13-alpine
 ARG HUGO=hugo
-ARG HUGO_VERSION=0.62.0
-ARG HUGO_SHA=1c3f999320ae30f9b648f6f72305b126be7fd4bab9cb7edf74253c0cbe892c87
-ARG HUGO_EXTENDED_SHA=a13e830b8dd6b3ad3948f59ea395c4592e8ca0c05a950af29c6db5291423f467
+ARG HUGO_VERSION=0.62.1
+ARG HUGO_SHA=7946ce9b3b6d48d9e218d556010df0fa031b19fc1616d04e96f183325e3123c0
+ARG HUGO_EXTENDED_SHA=e7f4201e5879d55db82d07539455ba6ad45a2cce813b6552d12cecec68d9425e
 RUN set -eux && \
     case ${HUGO} in \
       *_extended) \