fix: docs/Gemfile.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-REXML-13110060

Author: snyk-bot

docs/Gemfile.lock

@@ -12,22 +12,26 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.1)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    bigdecimal (3.3.0)
     byebug (11.1.3)
     coderay (1.1.3)
     colorator (1.1.0)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.3.5)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    ffi (1.15.5)
+    ffi (1.17.2)
     forwardable-extended (2.6.0)
+    google-protobuf (4.32.1)
+      bigdecimal
+      rake (>= 13)
     http_parser.rb (0.8.0)
-    i18n (1.12.0)
+    i18n (1.14.7)
       concurrent-ruby (~> 1.0)
-    jekyll (4.3.1)
+    jekyll (4.3.4)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -45,20 +49,20 @@ GEM
       webrick (~> 1.7)
     jekyll-include-cache (0.2.1)
       jekyll (>= 3.7, < 5.0)
-    jekyll-sass-converter (2.2.0)
-      sassc (> 2.0.1, < 3.0)
+    jekyll-sass-converter (3.1.0)
+      sass-embedded (~> 1.75)
     jekyll-seo-tag (2.8.0)
       jekyll (>= 3.8, < 5.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.4.0)
-      rexml
+    kramdown (2.5.1)
+      rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
-    liquid (4.0.3)
-    listen (3.7.1)
+    liquid (4.0.4)
+    listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
@@ -71,20 +75,21 @@ GEM
     pry-byebug (3.10.1)
       byebug (~> 11.0)
       pry (>= 0.13, < 0.15)
-    public_suffix (5.0.1)
-    rake (13.0.6)
+    public_suffix (6.0.2)
+    rake (13.3.0)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
-    rouge (4.0.0)
+    rexml (3.4.4)
+    rouge (4.6.1)
     safe_yaml (1.0.5)
-    sassc (2.4.0)
-      ffi (~> 1.9)
+    sass-embedded (1.93.2)
+      google-protobuf (~> 4.31)
+      rake (>= 13)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
-    unicode-display_width (2.3.0)
-    webrick (1.7.0)
+    unicode-display_width (2.6.0)
+    webrick (1.9.1)
 
 PLATFORMS
   ruby
@@ -101,4 +106,4 @@ DEPENDENCIES
   webrick
 
 BUNDLED WITH
-   2.2.22
+   2.3.27