Use dedicated Donorbox campaign for processing.org

Prepare for donation flow redesign by implementing a dedicated Donorbox campaign for processing.org distinct from processingfoundation.org and p5.js site contributions. Independent tracking of donations coming via processing.org will let us measure the impact of the redesign.

Author: SableRaf

src/pages/donate.js

@@ -30,7 +30,7 @@ const Donate = () => {
               title={intl.formatMessage({ id: 'donatePaymentTitle' })}
               className={css.donate}
               allowpaymentrequest=""
-              src="https://donorbox.org/embed/support-the-processing-foundation?hide_donation_meter=true"></iframe>
+              src="https://donorbox.org/embed/support-processing?hide_donation_meter=true"></iframe>
           </div>
           <div
             className={classnames(css.content)}