Bump ruby/setup-ruby from 1.284.0 to 1.286.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.284.0 to 1.286.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@80740b3...90be115)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.286.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/push_gem.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@80740b3b13bf9857e28854481ca95a84e78a2bdf # v1.284.0
+        uses: ruby/setup-ruby@90be1154f987f4dc0fe0dd0feedac9e473aa4ba8 # v1.286.0
         with:
           bundler-cache: true
           ruby-version: ruby

.github/workflows/test.yml

@@ -25,7 +25,7 @@ jobs:
     steps:
     - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: Set up Ruby
-      uses: ruby/setup-ruby@80740b3b13bf9857e28854481ca95a84e78a2bdf # v1.284.0
+      uses: ruby/setup-ruby@90be1154f987f4dc0fe0dd0feedac9e473aa4ba8 # v1.286.0
       with:
         ruby-version: ${{ matrix.ruby }}
     - run: bundle install --jobs 4 --retry 3