Bump active_model_serializers from 0.10.15 to 0.10.16

Bumps [active_model_serializers](https://github.com/rails-api/active_model_serializers) from 0.10.15 to 0.10.16.
- [Release notes](https://github.com/rails-api/active_model_serializers/releases)
- [Changelog](https://github.com/rails-api/active_model_serializers/blob/v0.10.16/CHANGELOG.md)
- [Commits](rails-api/active_model_serializers@v0.10.15...v0.10.16)

---
updated-dependencies:
- dependency-name: active_model_serializers
  dependency-version: 0.10.16
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -47,7 +47,7 @@ GEM
       erubi (~> 1.11)
       rails-dom-testing (~> 2.2)
       rails-html-sanitizer (~> 1.6)
-    active_model_serializers (0.10.15)
+    active_model_serializers (0.10.16)
       actionpack (>= 4.1)
       activemodel (>= 4.1)
       case_transform (>= 0.2)