downgrade highlight.js to version that doesn't pollute console with warning

Author: mojavelinux

package-lock.json

@@ -39,7 +39,7 @@
     "gulp-uglify": "~3.0",
     "gulp-vinyl-zip": "~2.2",
     "handlebars": "~4.7",
-    "highlight.js": "~9.18",
+    "highlight.js": "9.18.3",
     "js-yaml": "~3.14",
     "merge-stream": "~2.0",
     "postcss": "~8.1",