fix: Gemfile & Gemfile.lock to reduce vulnerabilities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-RUBY-REXML-7814166

Gemfile

@@ -4,7 +4,7 @@ source "https://rubygems.org"
 
 git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
-gem "jekyll", "~> 4.3.1"
+gem "jekyll", "~> 4.3.2"
 gem "nokogiri", "~> 1.14"
 gem "html-proofer", "~> 3.15", ">= 3.15.3"
 gem "jekyll-sitemap", "~> 1.4"

Gemfile.lock

@@ -1,21 +1,21 @@
 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)
     colorator (1.1.0)
-    concurrent-ruby (1.1.10)
+    concurrent-ruby (1.3.4)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     ethon (0.16.0)
       ffi (>= 1.15.0)
     eventmachine (1.2.7)
-    ffi (1.15.5)
+    ffi (1.16.3)
     forwardable-extended (2.6.0)
-    google-protobuf (3.21.12)
-    google-protobuf (3.21.12-x86_64-darwin)
-    google-protobuf (3.21.12-x86_64-linux)
+    google-protobuf (3.25.3)
+    google-protobuf (3.25.3-x86_64-darwin)
+    google-protobuf (3.25.3-x86_64-linux)
     html-proofer (3.19.4)
       addressable (~> 2.3)
       mercenary (~> 0.3)
@@ -25,9 +25,9 @@ GEM
       typhoeus (~> 1.3)
       yell (~> 2.0)
     http_parser.rb (0.8.0)
-    i18n (1.12.0)
+    i18n (1.14.5)
       concurrent-ruby (~> 1.0)
-    jekyll (4.3.1)
+    jekyll (4.3.3)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -53,8 +53,8 @@ GEM
       rexml
     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)
@@ -69,29 +69,29 @@ GEM
     parallel (1.22.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.1)
+    public_suffix (5.1.1)
     racc (1.6.2)
     rainbow (3.1.1)
-    rake (13.0.6)
+    rake (13.2.1)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.2.5)
-    rouge (4.0.1)
+    rexml (3.3.6)
+      strscan
+    rouge (4.3.0)
     safe_yaml (1.0.5)
-    sass-embedded (1.57.1)
-      google-protobuf (~> 3.21)
+    sass-embedded (1.54.6)
+      google-protobuf (~> 3.19)
       rake (>= 10.0.0)
-    sass-embedded (1.57.1-x86_64-darwin)
-      google-protobuf (~> 3.21)
-    sass-embedded (1.57.1-x86_64-linux-gnu)
-      google-protobuf (~> 3.21)
+    sass-embedded (1.54.6-x86_64-darwin)
+      google-protobuf (~> 3.19)
+    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     typhoeus (1.4.0)
       ethon (>= 0.9.0)
-    unicode-display_width (2.4.2)
-    webrick (1.7.0)
+    unicode-display_width (2.5.0)
+    webrick (1.8.1)
     yell (2.2.2)
 
 PLATFORMS
@@ -101,7 +101,7 @@ PLATFORMS
 
 DEPENDENCIES
   html-proofer (~> 3.15, >= 3.15.3)
-  jekyll (~> 4.3.1)
+  jekyll (~> 4.3.2)
   jekyll-sitemap (~> 1.4)
   nokogiri (~> 1.14)