Release 2.8.0-rc1

[Dinamiko]

• Fix - Calculate totals after adding shipping to include taxes #2296
• Fix - Package tracking integration throws error in 2.7.1 #2289
• Fix - Make PayPal Subscription products unique in cart #2265
• Fix - PayPal declares subscription support when merchant not enabled for Reference Transactions #2282
• Fix - Google Pay and Apple Pay Settings button from Connection tab have wrong links #2273
• Fix - Smart Buttons in Block Checkout not respecting the location setting (2830) #2278
• Fix - Disable Pay Upon Invoice if billing/shipping country not set #2281
• Enhancement - Enable shipping callback for WC subscriptions #2259
• Enhancement - Disable the shipping callback for "venmo" when vaulting is active #2269
• Enhancement - Improve "Could not retrieve order" error message #2271