Bump ruby/setup-ruby from 1.257.0 to 1.263.0 (#1797)

Bumps [ruby/setup-ruby](https://github.com/ruby/setup-ruby) from 1.257.0 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@4451173...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] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/exercise-tests.yml

@@ -22,7 +22,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
 
       - name: Set up Ruby
-        uses: ruby/setup-ruby@44511735964dcb71245e7e55f72539531f7bc0eb
+        uses: ruby/setup-ruby@0481980f17b760ef6bca5e8c55809102a0af1e5a
         with:
           ruby-version: ${{ matrix.ruby-version }}
           bundler-cache: true

.github/workflows/generator-tests.yml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
       - name: Set up Ruby
-        uses: ruby/setup-ruby@44511735964dcb71245e7e55f72539531f7bc0eb
+        uses: ruby/setup-ruby@0481980f17b760ef6bca5e8c55809102a0af1e5a
         with:
           ruby-version: "3.3"
           bundler-cache: true
@@ -26,7 +26,7 @@ jobs:
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
       - name: Set up Ruby
-        uses: ruby/setup-ruby@44511735964dcb71245e7e55f72539531f7bc0eb
+        uses: ruby/setup-ruby@0481980f17b760ef6bca5e8c55809102a0af1e5a
         with:
           ruby-version: "3.3"
           bundler-cache: true