deps: bump nokogiri from 1.14.3 to 1.15.6

Author: toshimaru

Gemfile

@@ -1,6 +1,7 @@
 source 'https://rubygems.org'
 
 gem 'jekyll'
+gem 'nokogiri', '1.15.6'
 gem 'rake'
 gem 'webrick'
 

Gemfile.lock

@@ -208,23 +208,23 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.8.1)
+    mini_portile2 (2.8.6)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.19.0)
-    nokogiri (1.14.3)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.15.6)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.7)
-    racc (1.6.2)
-    rake (13.2.1)
+    racc (1.7.3)
+    rake (13.1.0)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -263,6 +263,7 @@ DEPENDENCIES
   jekyll
   jekyll-include-cache
   jekyll-toc
+  nokogiri (= 1.15.6)
   rake
   webrick