Update SASS commit and bump Node image.

assets/css/compile.sh

 #!/bin/sh -e
 
 HERE=$(dirname $(readlink -f ${0}));
-NODE=16.6.0-alpine3.14;
+NODE=16.11.1-alpine3.14; # https://hub.docker.com/_/node
 
 cd ${HERE};
 
@@ -15,7 +15,7 @@ apk add git;
 cd /tmp;
 git clone https://github.com/sass/sass.git;
 cd sass;
-git checkout 2121f939b411c1650005b82c53557dd6248bff74;
+git checkout 7d3f10de38cd390c23f3f3b7f646f5095cf78a05;
 npm audit fix;
 npm install;
 npm install -g sass;