Update ruby/setup-ruby action to v1.268.0 (#15)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [ruby/setup-ruby](https://redirect.github.com/ruby/setup-ruby) |
action | minor | `v1.258.0` -> `v1.268.0` |

---

### Release Notes

<details>
<summary>ruby/setup-ruby (ruby/setup-ruby)</summary>

###
[`v1.268.0`](https://redirect.github.com/ruby/setup-ruby/compare/v1.267.0...v1.268.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.267.0...v1.268.0)

###
[`v1.267.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.267.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.266.0...v1.267.0)

#### What's Changed

- Scale bundler install jobs with CPU count up to 8 by
[@&#8203;thomasbreland](https://redirect.github.com/thomasbreland) in
[#&#8203;822](https://redirect.github.com/ruby/setup-ruby/pull/822)

#### New Contributors

- [@&#8203;thomasbreland](https://redirect.github.com/thomasbreland)
made their first contribution in
[#&#8203;822](https://redirect.github.com/ruby/setup-ruby/pull/822)

**Full Changelog**:
<ruby/setup-ruby@v1.266.0...v1.267.0>

###
[`v1.266.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.266.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.265.0...v1.266.0)

#### What's Changed

- Add ruby-3.3.10 by
[@&#8203;ruby-builder-bot](https://redirect.github.com/ruby-builder-bot)
in [#&#8203;819](https://redirect.github.com/ruby/setup-ruby/pull/819)
- Update CRuby releases on Windows by
[@&#8203;ruby-builder-bot](https://redirect.github.com/ruby-builder-bot)
in [#&#8203;821](https://redirect.github.com/ruby/setup-ruby/pull/821)

**Full Changelog**:
<ruby/setup-ruby@v1.265.0...v1.266.0>

###
[`v1.265.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.265.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.264.0...v1.265.0)

#### What's Changed

- Update CRuby releases on Windows by
[@&#8203;ruby-builder-bot](https://redirect.github.com/ruby-builder-bot)
in [#&#8203;817](https://redirect.github.com/ruby/setup-ruby/pull/817)

**Full Changelog**:
<ruby/setup-ruby@v1.264.0...v1.265.0>

###
[`v1.264.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.264.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.263.0...v1.264.0)

#### What's Changed

- Add ruby-3.4.7 by
[@&#8203;ruby-builder-bot](https://redirect.github.com/ruby-builder-bot)
in [#&#8203;815](https://redirect.github.com/ruby/setup-ruby/pull/815)

**Full Changelog**:
<ruby/setup-ruby@v1.263.0...v1.264.0>

###
[`v1.263.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.263.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.262.0...v1.263.0)

#### What's Changed

- Print lockfile contents earlier by
[@&#8203;Earlopain](https://redirect.github.com/Earlopain) in
[#&#8203;811](https://redirect.github.com/ruby/setup-ruby/pull/811)

#### New Contributors

- [@&#8203;Earlopain](https://redirect.github.com/Earlopain) made their
first contribution in
[#&#8203;811](https://redirect.github.com/ruby/setup-ruby/pull/811)

**Full Changelog**:
<ruby/setup-ruby@v1.262.0...v1.263.0>

###
[`v1.262.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.262.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.261.0...v1.262.0)

**Full Changelog**:
<ruby/setup-ruby@v1.261.0...v1.262.0>

###
[`v1.261.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.261.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.260.0...v1.261.0)

#### What's Changed

- Update CRuby releases on Windows by
[@&#8203;ruby-builder-bot](https://redirect.github.com/ruby-builder-bot)
in [#&#8203;809](https://redirect.github.com/ruby/setup-ruby/pull/809)

**Full Changelog**:
<ruby/setup-ruby@v1.260.0...v1.261.0>

###
[`v1.260.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.260.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.259.0...v1.260.0)

#### What's Changed

- Revert "feat: upgrade to node 24" by
[@&#8203;eregon](https://redirect.github.com/eregon) in
[#&#8203;808](https://redirect.github.com/ruby/setup-ruby/pull/808)
- Reinstate testing against jruby 9.4 and head by
[@&#8203;chadlwilson](https://redirect.github.com/chadlwilson) in
[#&#8203;807](https://redirect.github.com/ruby/setup-ruby/pull/807)

#### New Contributors

- [@&#8203;chadlwilson](https://redirect.github.com/chadlwilson) made
their first contribution in
[#&#8203;807](https://redirect.github.com/ruby/setup-ruby/pull/807)

**Full Changelog**:
<ruby/setup-ruby@v1.259.0...v1.260.0>

###
[`v1.259.0`](https://redirect.github.com/ruby/setup-ruby/releases/tag/v1.259.0)

[Compare
Source](https://redirect.github.com/ruby/setup-ruby/compare/v1.258.0...v1.259.0)

#### What's Changed

- feat: upgrade to node 24 by
[@&#8203;chenrui333](https://redirect.github.com/chenrui333) in
[#&#8203;804](https://redirect.github.com/ruby/setup-ruby/pull/804)

**Full Changelog**:
<ruby/setup-ruby@v1.258.0...v1.259.0>

</details>

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.github/workflows/jekyll.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1.258.0
+        uses: ruby/setup-ruby@v1.268.0
         with:
           ruby-version: '3.4.7' # Not needed with a .ruby-version file
           bundler-cache: true # runs 'bundle install' and caches installed gems automatically