chore(deps): Bump ruby/setup-ruby in the gha-deps group

Bumps the gha-deps group with 1 update: [ruby/setup-ruby](https://github.com/ruby/setup-ruby).


Updates `ruby/setup-ruby` from 1.207.0 to 1.215.0
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@4a9ddd6...2654679)

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

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/audit.yaml

@@ -19,7 +19,7 @@ jobs:
         uses: actions/[email protected]
 
       - name: Install Ruby toolchain
-        uses: ruby/setup-ruby@4a9ddd6f338a97768b8006bf671dfbad383215f4 # v1.207.0
+        uses: ruby/setup-ruby@2654679fe7f7c29875c669398a8ec0791b8a64a1 # v1.215.0
         with:
           ruby-version: ".ruby-version"
           bundler-cache: true

.github/workflows/ci.yaml

@@ -263,7 +263,7 @@ jobs:
         uses: actions/[email protected]
 
       - name: Install Ruby toolchain
-        uses: ruby/setup-ruby@4a9ddd6f338a97768b8006bf671dfbad383215f4 # v1.207.0
+        uses: ruby/setup-ruby@2654679fe7f7c29875c669398a8ec0791b8a64a1 # v1.215.0
         with:
           ruby-version: ".ruby-version"
           bundler-cache: true