Bump js-routes from 2.1.2 to 2.2.0

Bumps [js-routes](https://github.com/railsware/js-routes) from 2.1.2 to 2.2.0.
- [Release notes](https://github.com/railsware/js-routes/releases)
- [Changelog](https://github.com/railsware/js-routes/blob/master/CHANGELOG.md)
- [Commits](https://github.com/railsware/js-routes/compare/v2.1.2...v2.2.0)

---
updated-dependencies:
- dependency-name: js-routes
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -224,7 +224,7 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (6.0.1)
       railties (>= 3.2.16)
-    js-routes (2.1.2)
+    js-routes (2.2.0)
       railties (>= 4)
     json (2.3.1)
     json_schemer (0.2.18)