Bump rswag-specs from 2.8.0 to 2.9.0

Bumps [rswag-specs](https://github.com/rswag/rswag) from 2.8.0 to 2.9.0.
- [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/2.8.0...2.9.0)

---
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

@@ -137,7 +137,7 @@ GEM
       activerecord (>= 6.0, < 7.1)
     acts_as_list (1.0.4)
       activerecord (>= 4.2)
-    addressable (2.8.2)
+    addressable (2.8.4)
       public_suffix (>= 2.0.2, < 6.0)
     aes_key_wrap (1.1.0)
     afm (0.2.2)
@@ -583,7 +583,7 @@ GEM
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
       rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.1)
+    rspec-core (3.12.2)
       rspec-support (~> 3.12.0)
     rspec-expectations (3.12.2)
       diff-lcs (>= 1.2.0, < 2.0)
@@ -604,7 +604,7 @@ GEM
     rspec-support (3.12.0)
     rswag-api (2.9.0)
       railties (>= 3.1, < 7.1)
-    rswag-specs (2.8.0)
+    rswag-specs (2.9.0)
       activesupport (>= 3.1, < 7.1)
       json-schema (>= 2.2, < 4.0)
       railties (>= 3.1, < 7.1)