Update OCaml documentation (5.4)

Author: simon04

lib/docs/filters/ocaml/clean_html.rb

@@ -2,6 +2,7 @@ module Docs
   class Ocaml
     class CleanHtmlFilter < Filter
       def call
+        @doc = at_css('.api') || doc
 
         css('#sidebar').remove
 

lib/docs/scrapers/ocaml.rb

@@ -21,11 +21,11 @@ class Ocaml < UrlScraper
     ]
 
     options[:attribution] = <<-HTML
-      &copy; 1995-2024 INRIA.
+      &copy; 1995-2025 INRIA.
     HTML
 
     version '' do
-      self.release = '5.3'
+      self.release = '5.4'
       self.base_url = "https://ocaml.org/manual/#{self.release}/"
     end