Chore(deps-dev): Bump serialize-javascript from 3.1.0 to 6.0.0

Bumps [serialize-javascript](https://github.com/yahoo/serialize-javascript) from 3.1.0 to 6.0.0.
- [Release notes](https://github.com/yahoo/serialize-javascript/releases)
- [Commits](yahoo/serialize-javascript@v3.1.0...v6.0.0)

---
updated-dependencies:
- dependency-name: serialize-javascript
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -142,7 +142,7 @@
         "redux-logger": "3.0.6",
         "redux-mock-store": "1.5.3",
         "selenium-webdriver": "4.0.0-beta.4",
-        "serialize-javascript": "3.1.0",
+        "serialize-javascript": "6.0.0",
         "ssri": "8.0.1",
         "standard-version": "8.0.2",
         "start-server-and-test": "1.11.7",