Merge pull request rails#46614 from Cofense/action_dispatch-response-buffer-write-alias

Add `#<<` alias for `#write` to ActionDispatch::Response::Buffer

Author: byroot

actionpack/lib/action_dispatch/http/response.rb

@@ -126,6 +126,7 @@ def write(string)
         @response.commit!
         @buf.push string
       end
+      alias_method :<<, :write
 
       def each(&block)
         if @str_body