[web] Use Hugo 0.53 and update css files.

netlify.toml

@@ -10,7 +10,7 @@
     node_modules/.bin/hugo-algolia --toml -s"""
 
 [build.environment] # global variables
-  HUGO_VERSION = "0.47.1"
+  HUGO_VERSION = "0.53"
   GIT_LFS_ENABLED = "true"
 
 [context.production.environment]

web/resources/_gen/assets/scss/scss/main.scss_4e7f57577ae5587f96f0311b7197bce0.json

-{"Target":"main.min.43c5744a6baebcf97e0a3ee202c196793f5703125fd26e790908a942e9c8dd5e.css","MediaType":"text/css","Data":{"Integrity":"sha256-Q8V0SmuuvPl+Cj7iAsGWeT9XAxJf0m55CQipQunI3V4="}}
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+{"Target":"main.min.93b4253c1a53bde830275549bec6a3159fd4fdff10a82a4c3d035f26915f058f.css","MediaType":"text/css","Data":{"Integrity":"sha256-k7QlPBpTvegwJ1VJvsajFZ/U/f8QqCpMPQNfJpFfBY8="}}
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