Update devDependencies and gems

Also add webrick for Ruby 3.x compatibility

Author: XhmikosR

Gemfile

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
-gem 'jekyll', '~> 4.2.1'
-gem 'jekyll-seo-tag', '~> 2.7.1'
+gem 'jekyll', '~> 4.2.2'
+gem 'jekyll-seo-tag', '~> 2.8.0'
 gem 'jekyll-sitemap', '~> 1.4.0'
 gem 'wdm', '~> 0.1.1', :install_if => Gem.win_platform?
+gem "webrick", "~> 1.7"

Gemfile.lock

@@ -10,13 +10,13 @@ GEM
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
-    ffi (1.15.4)
-    ffi (1.15.4-x64-mingw32)
+    ffi (1.15.5)
+    ffi (1.15.5-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.8.0)
-    i18n (1.8.11)
+    i18n (1.10.0)
       concurrent-ruby (~> 1.0)
-    jekyll (4.2.1)
+    jekyll (4.2.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -31,9 +31,9 @@ GEM
       rouge (~> 3.0)
       safe_yaml (~> 1.0)
       terminal-table (~> 2.0)
-    jekyll-sass-converter (2.1.0)
+    jekyll-sass-converter (2.2.0)
       sassc (> 2.0.1, < 3.0)
-    jekyll-seo-tag (2.7.1)
+    jekyll-seo-tag (2.8.0)
       jekyll (>= 3.8, < 5.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
@@ -44,18 +44,18 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.7.0)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
-    rb-fsevent (0.11.0)
+    rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.26.1)
+    rouge (3.28.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
@@ -65,16 +65,18 @@ GEM
       unicode-display_width (~> 1.1, >= 1.1.1)
     unicode-display_width (1.8.0)
     wdm (0.1.1)
+    webrick (1.7.0)
 
 PLATFORMS
   ruby
   x64-mingw32
 
 DEPENDENCIES
-  jekyll (~> 4.2.1)
-  jekyll-seo-tag (~> 2.7.1)
+  jekyll (~> 4.2.2)
+  jekyll-seo-tag (~> 2.8.0)
   jekyll-sitemap (~> 1.4.0)
   wdm (~> 0.1.1)
+  webrick (~> 1.7)
 
 BUNDLED WITH
-   2.2.33
+   2.3.9

docs/_sass/_page.scss

@@ -31,7 +31,7 @@ h1,
 h2 {
   margin-top: 0;
   line-height: 1;
-  text-rendering: optimizeLegibility;
+  text-rendering: optimizelegibility;
 }
 
 h1 {