Merge pull request #339 from eXist-db/dependabot/npm_and_yarn/del-4.1.1

chore(deps-dev): bump del from 4.1.0 to 4.1.1

Author: duncdrum

package-lock.json

@@ -24,7 +24,7 @@
   "homepage": "https://github.com/eXist-db/documentation#readme",
   "devDependencies": {
     "acorn": "^6.1.1",
-    "del": "^4.1.0",
+    "del": "^4.1.1",
     "gulp": "^4.0.0",
     "gulp-autoprefixer": "^6.0.0",
     "gulp-concat": "^2.6.1",