Update jekyll requirement from ~> 4.2.0 to ~> 4.3.2 (#43)

Updates the requirements on [jekyll](https://github.com/jekyll/jekyll) to permit the latest version.
- [Release notes](https://github.com/jekyll/jekyll/releases)
- [Changelog](https://github.com/jekyll/jekyll/blob/master/History.markdown)
- [Commits](jekyll/jekyll@v4.2.0...v4.3.2)

---
updated-dependencies:
- dependency-name: jekyll
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile

@@ -16,7 +16,7 @@ gemspec
 # Use of ~> can also be compounded with >=, !=, etc for complex setups.
 
 # This ensures the current Jekyll version is running
-gem "jekyll", "~> 4.2.0"
+gem "jekyll", "~> 4.3.2"
 
 # If you have any plugins, put them here!
 group :jekyll_plugins do