build(deps): bump ruby/setup-ruby from 1.185.0 to 1.186.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.185.0 to 1.186.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](3a77c29278...2a9a743e19)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/docs.yml

@@ -51,7 +51,7 @@ jobs:
         run: vale docs/
 
       - name: Install Ruby
-        uses: ruby/setup-ruby@3a77c29278ae80936b4cb030fefc7d21c96c786f # v1.185.0
+        uses: ruby/setup-ruby@2a9a743e19810b9f3c38060637daf594dbd7b37f # v1.186.0
         with:
           bundler-cache: true
           working-directory: docs

.github/workflows/rubydoc.yml

@@ -38,7 +38,7 @@ jobs:
           path: rubydoc
 
       - name: Install Ruby
-        uses: ruby/setup-ruby@3a77c29278ae80936b4cb030fefc7d21c96c786f # v1.185.0
+        uses: ruby/setup-ruby@2a9a743e19810b9f3c38060637daf594dbd7b37f # v1.186.0
         with:
           bundler-cache: true
           working-directory: rubydoc