Bump js-yaml from 4.2.0 to 4.3.0 (#928)

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 4.2.0 to 4.3.0.
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](nodeca/js-yaml@4.2.0...4.3.0)

---
updated-dependencies:
- dependency-name: js-yaml
  dependency-version: 4.3.0
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -29,6 +29,6 @@
     "url": "https://github.com/iamcal/oembed/issues"
   },
   "devDependencies": {
-    "js-yaml": "~4.2.0"
+    "js-yaml": "~4.3.0"
   }
 }