Bump github-pages and jekyll (#149)

Bumps [github-pages](https://github.com/github/pages-gem) and [jekyll](https://github.com/jekyll/jekyll). These dependencies needed to be updated together.

Updates `github-pages` from 229 to 231
- [Release notes](https://github.com/github/pages-gem/releases)
- [Commits](github/pages-gem@v229...v231)

Updates `jekyll` from 3.9.4 to 3.9.5
- [Release notes](https://github.com/jekyll/jekyll/releases)
- [Changelog](https://github.com/jekyll/jekyll/blob/v3.9.5/History.markdown)
- [Commits](jekyll/jekyll@v3.9.4...v3.9.5)

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

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

Gemfile

@@ -8,7 +8,7 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "~> 3.9.4"
+gem "jekyll", "~> 3.9.5"
 
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
 gem "minimal-mistakes-jekyll"

Gemfile.lock

@@ -42,9 +42,9 @@ GEM
     ffi (1.16.3)
     forwardable-extended (2.6.0)
     gemoji (4.1.0)
-    github-pages (229)
+    github-pages (231)
       github-pages-health-check (= 1.18.2)
-      jekyll (= 3.9.4)
+      jekyll (= 3.9.5)
       jekyll-avatar (= 0.8.0)
       jekyll-coffeescript (= 1.2.2)
       jekyll-commonmark-ghpages (= 0.4.0)
@@ -58,7 +58,7 @@ GEM
       jekyll-paginate (= 1.1.0)
       jekyll-readme-index (= 0.3.0)
       jekyll-redirect-from (= 0.16.0)
-      jekyll-relative-links (= 0.7.0)
+      jekyll-relative-links (= 0.6.1)
       jekyll-remote-theme (= 0.4.3)
       jekyll-sass-converter (= 1.5.2)
       jekyll-seo-tag (= 2.8.0)
@@ -99,7 +99,7 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
-    jekyll (3.9.4)
+    jekyll (3.9.5)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -147,7 +147,7 @@ GEM
       jekyll (>= 3.0, < 5.0)
     jekyll-redirect-from (0.16.0)
       jekyll (>= 3.3, < 5.0)
-    jekyll-relative-links (0.7.0)
+    jekyll-relative-links (0.6.1)
       jekyll (>= 3.3, < 5.0)
     jekyll-remote-theme (0.4.3)
       addressable (~> 2.0)
@@ -284,7 +284,7 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages
-  jekyll (~> 3.9.4)
+  jekyll (~> 3.9.5)
   jekyll-compose
   jekyll-feed (~> 0.17)
   kramdown-parser-gfm