v1.14.2

What's fixed

• Harden email address validation #304 by @duncanmcclean
• Don't save customer information onto line items when updating them #305 by @duncanmcclean
• Prevent checkout when Stripe payment was unsuccessful #306 by @duncanmcclean
• Cancel orders when Mollie payments fail or expire #308 by @duncanmcclean
• Restore stock when orders are cancelled #307 by @duncanmcclean