Bump js-yaml from 3.14.1 to 4.0.0 (#87)

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.14.1 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](https://github.com/nodeca/js-yaml/compare/3.14.1...4.0.0)

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

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

package.json

@@ -42,7 +42,7 @@
     "eslint-plugin-jest": "^24.1.5",
     "jest": "^26.6.3",
     "jest-circus": "^26.6.3",
-    "js-yaml": "^3.14.1",
+    "js-yaml": "^4.0.0",
     "prettier": "^2.2.1",
     "ts-jest": "^26.5.1",
     "typescript": "^4.2.2"