Bump ruby/setup-ruby from 1.144.2 to 1.145.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.144.2 to 1.145.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Commits](ruby/setup-ruby@ec02537...904f3fe)

---
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/ruby-core.yml

@@ -22,7 +22,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Set up latest ruby head
-        uses: ruby/setup-ruby@ec02537da5712d66d4d50a0f33b7eb52773b5ed1 # v1.144.2
+        uses: ruby/setup-ruby@904f3fef85a9c80a3750cbe7d5159268fd5caa9f # v1.145.0
         with:
           ruby-version: head
           bundler: none