Bump js-yaml from 3.13.1 to 4.0.0

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.13.1 to 4.0.0.
- [Release notes](https://github.com/nodeca/js-yaml/releases)
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@3.13.1...4.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -65,7 +65,7 @@
   "optionalDependencies": {
     "stats-lite": "^2.0.0",
     "cli-table": "^0.3.1",
-    "js-yaml": "^3.5.2",
+    "js-yaml": "^4.0.0",
     "mongodb": "^3.1.4",
     "mongodb-collection-sample": "^4.4.2",
     "mongodb-extended-json": "^1.6.2",