build(deps-dev): bump jekyll-github-metadata in /site

Bumps [jekyll-github-metadata](https://github.com/jekyll/github-metadata) from 2.16.0 to 2.16.1.
- [Release notes](https://github.com/jekyll/github-metadata/releases)
- [Changelog](https://github.com/jekyll/github-metadata/blob/main/History.markdown)
- [Commits](jekyll/github-metadata@v2.16.0...v2.16.1)

---
updated-dependencies:
- dependency-name: jekyll-github-metadata
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

site/Gemfile.lock

@@ -10,7 +10,7 @@ GEM
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    faraday (2.7.12)
+    faraday (2.8.1)
       base64
       faraday-net_http (>= 2.0, < 3.1)
       ruby2_keywords (>= 0.0.4)
@@ -37,7 +37,7 @@ GEM
       safe_yaml (~> 1.0)
       terminal-table (>= 1.8, < 4.0)
       webrick (~> 1.7)
-    jekyll-github-metadata (2.16.0)
+    jekyll-github-metadata (2.16.1)
       jekyll (>= 3.4, < 5.0)
       octokit (>= 4, < 7, != 4.4.0)
     jekyll-sass-converter (3.0.0)