Update nokogiri to version 1.19.4 (#1552)

Author: depfu[bot]

Gemfile.lock

@@ -228,7 +228,7 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.5)
-    nokogiri (1.19.3)
+    nokogiri (1.19.4)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     ostruct (0.6.3)