Merge pull request #861 from textpattern/dependabot/npm_and_yarn/grunt-1.6.2

Bump grunt from 1.6.1 to 1.6.2

Author: petecooper

package.json

@@ -12,7 +12,7 @@
     "@lodder/grunt-postcss": "3.1.1",
     "autoprefixer": "10.4.27",
     "cssnano": "7.1.4",
-    "grunt": "1.6.1",
+    "grunt": "1.6.2",
     "grunt-cli": "1.5.0",
     "grunt-concurrent": "3.0.0",
     "grunt-contrib-clean": "2.0.1",