Merge pull request #538 from textpattern/dependabot/npm_and_yarn/sass-1.56.1

Bump sass from 1.49.9 to 1.56.1

Author: philwareham

package.json

@@ -27,7 +27,7 @@
     "grunt-terser": "2.0.0",
     "load-grunt-tasks": "5.1.0",
     "postcss": "8.4.19",
-    "sass": "1.49.9",
+    "sass": "1.56.1",
     "stylelint": "13.13.1",
     "stylelint-order": "4.1.0",
     "stylelint-scss": "3.21.0"