upgrade ruby version

.ruby-version

@@ -0,0 +1 @@
+3.4.2

Gemfile

@@ -1,5 +1,7 @@
 source 'https://rubygems.org'
 
+gem 'bigdecimal'
+gem 'base64'
 gem 'yaml', '~> 0.3'
 gem 'liquid', '~> 5.5'
-gem 'nokogiri', '~> 1.15' 
+gem 'nokogiri', '>= 1.18.4'

Gemfile.lock

@@ -1,9 +1,11 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    base64 (0.2.0)
+    bigdecimal (3.1.9)
     liquid (5.5.1)
     mini_portile2 (2.8.7)
-    nokogiri (1.15.6)
+    nokogiri (1.18.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     racc (1.8.1)
@@ -13,9 +15,11 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  base64
+  bigdecimal
   liquid (~> 5.5)
-  nokogiri (~> 1.15)
+  nokogiri (>= 1.18.4)
   yaml (~> 0.3)
 
 BUNDLED WITH
-   2.1.4
+   2.6.6