Bump rswag-specs from 2.6.0 to 2.7.0

Bumps [rswag-specs](https://github.com/rswag/rswag) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/rswag/rswag/releases)
- [Changelog](https://github.com/rswag/rswag/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rswag/rswag/compare/2.6.0...2.7.0)

---
updated-dependencies:
- dependency-name: rswag-specs
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -372,8 +372,8 @@ GEM
       bindata
       faraday (~> 2.0)
       faraday-follow_redirects
-    json-schema (2.8.1)
-      addressable (>= 2.4)
+    json-schema (3.0.0)
+      addressable (>= 2.8)
     json_spec (1.1.5)
       multi_json (~> 1.0)
       rspec (>= 2.0, < 4.0)
@@ -595,10 +595,11 @@ GEM
     rspec-support (3.10.3)
     rswag-api (2.7.0)
       railties (>= 3.1, < 7.1)
-    rswag-specs (2.6.0)
+    rswag-specs (2.7.0)
       activesupport (>= 3.1, < 7.1)
-      json-schema (~> 2.2)
+      json-schema (>= 2.2, < 4.0)
       railties (>= 3.1, < 7.1)
+      rspec-core (>= 2.14)
     rswag-ui (2.7.0)
       actionpack (>= 3.1, < 7.1)
       railties (>= 3.1, < 7.1)