Bump json_schemer from 2.1.1 to 2.2.0

Bumps [json_schemer](https://github.com/davishmcclurg/json_schemer) from 2.1.1 to 2.2.0.
- [Changelog](https://github.com/davishmcclurg/json_schemer/blob/main/CHANGELOG.md)
- [Commits](https://github.com/davishmcclurg/json_schemer/compare/v2.1.1...v2.2.0)

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

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

Gemfile.lock

@@ -202,7 +202,9 @@ GEM
     js-routes (2.2.8)
       railties (>= 4)
     json (2.7.1)
-    json_schemer (2.1.1)
+    json_schemer (2.2.0)
+      base64
+      bigdecimal
       hana (~> 1.3)
       regexp_parser (~> 2.0)
       simpleidn (~> 0.2)