Allow setting a custom HTTP method in CacheBuster (#26528)

Co-authored-by: Jorijn Schrijvershof <jorijn@jorijn.com>

app/lib/request.rb

@@ -117,7 +117,7 @@ class Request
 
   def perform
     begin
-      response = http_client.public_send(@verb, @url.to_s, @options.merge(headers: headers))
+      response = http_client.request(@verb, @url.to_s, @options.merge(headers: headers))
     rescue => e
       raise e.class, "#{e.message} on #{@url}", e.backtrace[0]
     end