Salesforce integration not working after update

I need your help to fix this:
Salesforce php code integration at functions.php not sending data anymore to salesforce since Contact Form 7 last update.

All forms not sending data:
https://www.fricon.pt/contacte-nos/
https://www.fricon.pt/trabalhe-connosco/
https://www.fricon.pt/arca-congeladora-horizontal-cls/

Please help.
Best regards,
Joana Pereira