Bump grape-swagger from 2.1.1 to 2.1.2

Bumps [grape-swagger](https://github.com/ruby-grape/grape-swagger) from 2.1.1 to 2.1.2.
- [Changelog](https://github.com/ruby-grape/grape-swagger/blob/master/CHANGELOG.md)
- [Commits](ruby-grape/grape-swagger@v2.1.1...v2.1.2)

---
updated-dependencies:
- dependency-name: grape-swagger
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -283,7 +283,7 @@ GEM
     grape-entity (1.0.1)
       activesupport (>= 3.0.0)
       multi_json (>= 1.3.2)
-    grape-swagger (2.1.1)
+    grape-swagger (2.1.2)
       grape (>= 1.7, < 3.0)
       rack-test (~> 2)
     grape-swagger-entity (0.5.5)
@@ -399,7 +399,7 @@ GEM
     public_suffix (6.0.1)
     raabro (1.4.0)
     racc (1.8.1)
-    rack (3.1.11)
+    rack (3.1.12)
     rack-session (2.1.0)
       base64 (>= 0.1.0)
       rack (>= 3.0.0)