Merge pull request #1137 from searxng/dependabot/npm_and_yarn/searx/static/themes/simple/master/grunt-contrib-uglify-5.2.1

Bump grunt-contrib-uglify from 5.1.0 to 5.2.1 in /searx/static/themes/simple

searx/static/themes/simple/package.json

@@ -5,7 +5,7 @@
     "grunt-contrib-copy": "^1.0.0",
     "grunt-contrib-cssmin": "^4.0.0",
     "grunt-contrib-less": "~3.0.0",
-    "grunt-contrib-uglify": "~5.1.0",
+    "grunt-contrib-uglify": "~5.2.1",
     "grunt-xmlmin": "~0.1.8",
     "grunt-contrib-watch": "~1.1.0",
     "grunt-eslint": "^24.0.0",