Update dependency js-yaml to v4

Author: renovate[bot]

package-lock.json

@@ -59,7 +59,7 @@
     "grunt-sass": "3.1.0",
     "handlebars": "4.7.7",
     "highlight.js": "9.18.5",
-    "js-yaml": "3.14.1",
+    "js-yaml": "4.1.0",
     "json-refs": "3.0.15",
     "json-stable-stringify": "1.0.1",
     "lodash": "4.17.21",

package.json

@@ -2270,6 +2270,13 @@ js-yaml@4.0.0:
   dependencies:
     argparse "^2.0.1"
 
+js-yaml@4.1.0:
+  version "4.1.0"
+  resolved "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz"
+  integrity sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==
+  dependencies:
+    argparse "^2.0.1"
+
 jsbn@~0.1.0:
   version "0.1.1"
   resolved "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz"