build(deps): bump ruby/setup-ruby from 1.301.0 to 1.306.0 (#117)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.301.0 to 1.306.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@4c56a21...c4e5b13)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.306.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/branch-protection.yaml

@@ -22,7 +22,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
-      - uses: ruby/setup-ruby@4c56a21280b36d862b5fc31348f463d60bdc55d5
+      - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f
         with:
           ruby-version: ${{ matrix.ruby }}
       - run: gem install bundler --no-document

.github/workflows/continuous-delivery.yaml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
-      - uses: ruby/setup-ruby@4c56a21280b36d862b5fc31348f463d60bdc55d5
+      - uses: ruby/setup-ruby@c4e5b1316158f92e3d49443a9d58b31d25ac0f8f
         with:
           ruby-version: 4.0.1
       - run: gem install bundler --no-document