Bump ruby/setup-ruby from 1.245.0 to 1.263.0

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.245.0 to 1.263.0.
- [Release notes](https://github.com/ruby/setup-ruby/releases)
- [Changelog](https://github.com/ruby/setup-ruby/blob/master/release.rb)
- [Commits](ruby/setup-ruby@a4effe4...0481980)

---
updated-dependencies:
- dependency-name: ruby/setup-ruby
  dependency-version: 1.263.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     name: Test Ruby ${{ matrix.entry.ruby }}
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: ruby/setup-ruby@a4effe49ee8ee5b8b5091268c473a4628afb5651 # v1.245.0
+      - uses: ruby/setup-ruby@0481980f17b760ef6bca5e8c55809102a0af1e5a # v1.263.0
         with:
           ruby-version: ${{ matrix.entry.ruby }}
           bundler-cache: true