Bump ruby/setup-ruby from 1.253.0 to 1.254.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.253.0 to 1.254.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@bb6434c...2a7b300)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.254.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/rubyci-alerts.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - uses: ruby/setup-ruby@bb6434c747fa7022e12fa1cae2a0951fcffcff26 # v1.253.0
+      - uses: ruby/setup-ruby@2a7b30092b0caf9c046252510f9273b4875f3db9 # v1.254.0
         with:
           ruby-version: 2.7
 

.github/workflows/rubyci-screenshot.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
 
-      - uses: ruby/setup-ruby@bb6434c747fa7022e12fa1cae2a0951fcffcff26 # v1.253.0
+      - uses: ruby/setup-ruby@2a7b30092b0caf9c046252510f9273b4875f3db9 # v1.254.0
         with:
           ruby-version: 2.7