Bump jsonapi.rb from 1.7.0 to 2.0.1

Bumps [jsonapi.rb](https://github.com/stas/jsonapi.rb) from 1.7.0 to 2.0.1.
- [Release notes](https://github.com/stas/jsonapi.rb/releases)
- [Commits](stas/jsonapi.rb@v1.7.0...v2.0.1)

---
updated-dependencies:
- dependency-name: jsonapi.rb
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Gemfile.lock

@@ -116,10 +116,9 @@ GEM
       rspec-expectations
     jsonapi-serializer (2.2.0)
       activesupport (>= 4.2)
-    jsonapi.rb (1.7.0)
+    jsonapi.rb (2.0.1)
       jsonapi-serializer
       rack
-      ransack
     jwt (1.5.6)
     listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
@@ -193,10 +192,6 @@ GEM
       rake (>= 12.2)
       thor (~> 1.0)
     rake (13.0.6)
-    ransack (2.4.2)
-      activerecord (>= 5.2.4)
-      activesupport (>= 5.2.4)
-      i18n
     rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)