chore(deps): update dependency github-pages to v231

docs/Gemfile.lock

@@ -48,9 +48,9 @@ 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)
@@ -64,7 +64,7 @@ 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)
@@ -105,7 +105,7 @@ 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)
@@ -151,7 +151,7 @@ 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)