Merge pull request #805 from textpattern/dependabot/npm_and_yarn/sass-1.90.0

Bump sass from 1.86.0 to 1.90.0

Author: petecooper

package.json

@@ -24,7 +24,7 @@
     "grunt-stylelint": "0.20.1",
     "grunt-terser": "2.0.0",
     "load-grunt-tasks": "5.1.0",
-    "postcss": "8.5.6",
+    "sass": "1.90.0",
     "sass": "1.86.0",
     "stylelint": "16.16.0",
     "stylelint-config-standard-scss": "15.0.1",