Bump js-yaml from 3.14.0 to 4.0.0 (#275)

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.14.0 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@3.14.0...4.0.0)

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

package.json

@@ -45,7 +45,7 @@
     "eslint-plugin-jest": "^24.1.3",
     "jest": "^26.6.3",
     "jest-circus": "^26.6.3",
-    "js-yaml": "^3.14.0",
+    "js-yaml": "^4.0.0",
     "prettier": "^2.2.1",
     "ts-jest": "^26.4.4",
     "typescript": "^4.1.3"