Merge pull request #356 from eXist-db/dependabot/npm_and_yarn/del-5.0.0

chore(deps-dev): bump del from 4.1.1 to 5.0.0

Author: duncdrum

package-lock.json

@@ -32,7 +32,7 @@
     "acorn": "^6.2.0",
     "chai": "^4.2.0",
     "cypress": "^3.4.0",
-    "del": "^4.1.1",
+    "del": "^5.0.0",
     "gulp": "^4.0.2",
     "gulp-autoprefixer": "^6.1.0",
     "gulp-concat": "^2.6.1",