Update dependency nokogiri to v1.18.3 [SECURITY]

Gemfile

@@ -32,7 +32,7 @@ gem 'mail', '2.8.1'
 gem 'matrix', '0.4.2'
 gem 'mocha', '2.7.1', require: false
 gem 'net-smtp', '0.5.0'
-gem 'nokogiri', '1.18.1'
+gem 'nokogiri', '1.18.3'
 gem 'octokit', '9.2.0'
 gem 'pdd', '0.24.0'
 gem 'rack', '3.1.8'

Gemfile.lock

@@ -112,14 +112,14 @@ GEM
       timeout
     net-smtp (0.5.0)
       net-protocol
-    nokogiri (1.18.1)
+    nokogiri (1.18.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.1-arm64-darwin)
+    nokogiri (1.18.3-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.1-x86_64-darwin)
+    nokogiri (1.18.3-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.1-x86_64-linux-gnu)
+    nokogiri (1.18.3-x86_64-linux-gnu)
       racc (~> 1.4)
     oauth (0.6.2)
       snaky_hash (~> 2.0)
@@ -170,6 +170,14 @@ GEM
       unicode-display_width (>= 2.4.0, < 4.0)
     rubocop-ast (1.36.2)
       parser (>= 3.3.1.0)
+    rubocop-minitest (0.36.0)
+      rubocop (>= 1.61, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+    rubocop-performance (1.23.1)
+      rubocop (>= 1.48.1, < 2.0)
+      rubocop-ast (>= 1.31.1, < 2.0)
+    rubocop-rake (0.6.0)
+      rubocop (~> 1.0)
     rubocop-rspec (3.3.0)
       rubocop (~> 1.61)
     ruby-fann (2.0.2)
@@ -255,14 +263,17 @@ DEPENDENCIES
   matrix (= 0.4.2)
   mocha (= 2.7.1)
   net-smtp (= 0.5.0)
-  nokogiri (= 1.18.1)
+  nokogiri (= 1.18.3)
   octokit (= 9.2.0)
   pdd (= 0.24.0)
   rack (= 3.1.8)
   rack-test (= 2.2.0)
   rackup (= 2.2.1)
   rake (= 13.2.1)
   rubocop (= 1.69.2)
+  rubocop-minitest (> 0)
+  rubocop-performance (> 0)
+  rubocop-rake (> 0)
   rubocop-rspec (= 3.3.0)
   ruby-fann (= 2.0.2)
   sass (= 3.7.4)