impl: Update dependency github-pages to v232 (slsa-framework#1119)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [github-pages](https://togithub.com/github/pages-gem) | `231` -> `232`
|
[![age](https://developer.mend.io/api/mc/badges/age/rubygems/github-pages/232?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/rubygems/github-pages/232?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/rubygems/github-pages/231/232?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/rubygems/github-pages/231/232?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>github/pages-gem (github-pages)</summary>

### [`v232`](https://togithub.com/github/pages-gem/releases/tag/v232)

[Compare
Source](https://togithub.com/github/pages-gem/compare/v231...v232)

#### What's Changed

- Bump docker/build-push-action from 5 to 6 by
[@&#8203;dependabot](https://togithub.com/dependabot) in
[https://github.com/github/pages-gem/pull/916](https://togithub.com/github/pages-gem/pull/916)
- Fix obscured gemfile issue by
[@&#8203;mrmanc](https://togithub.com/mrmanc) in
[https://github.com/github/pages-gem/pull/912](https://togithub.com/github/pages-gem/pull/912)
- Add webrick as Ruby 3 doesn’t include it by
[@&#8203;mrmanc](https://togithub.com/mrmanc) in
[https://github.com/github/pages-gem/pull/914](https://togithub.com/github/pages-gem/pull/914)
- Update nokogiri CVE-2024-25062 by
[@&#8203;naxhh](https://togithub.com/naxhh) in
[https://github.com/github/pages-gem/pull/911](https://togithub.com/github/pages-gem/pull/911)
- Parkr jekyll3.10 by
[@&#8203;yoannchaudet](https://togithub.com/yoannchaudet) in
[https://github.com/github/pages-gem/pull/919](https://togithub.com/github/pages-gem/pull/919)
- Fix improperly bound regex by
[@&#8203;yoannchaudet](https://togithub.com/yoannchaudet) in
[https://github.com/github/pages-gem/pull/921](https://togithub.com/github/pages-gem/pull/921)
- Prep 232 by [@&#8203;yoannchaudet](https://togithub.com/yoannchaudet)
in
[https://github.com/github/pages-gem/pull/923](https://togithub.com/github/pages-gem/pull/923)

#### New Contributors

- [@&#8203;naxhh](https://togithub.com/naxhh) made their first
contribution in
[https://github.com/github/pages-gem/pull/911](https://togithub.com/github/pages-gem/pull/911)

**Full Changelog**:
github/pages-gem@v231...v232

</details>

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docs/Gemfile.lock

@@ -1,7 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (7.1.3.4)
+    activesupport (7.1.4)
       base64
       bigdecimal
       concurrent-ruby (~> 1.0, >= 1.0.2)
@@ -236,7 +236,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.3.5)
+    rexml (3.3.6)
       strscan
     rouge (3.30.0)
     ruby2_keywords (0.0.5)