collab: Update Stripe customer email before checkout (#32669)

Release Notes:

- N/A

crates/collab/src/stripe_client/real_stripe_client.rs

@@ -11,7 +11,7 @@ use stripe::{
     CreateCheckoutSessionSubscriptionDataTrialSettingsEndBehavior,
     CreateCheckoutSessionSubscriptionDataTrialSettingsEndBehaviorMissingPaymentMethod,
     CreateCustomer, Customer, CustomerId, ListCustomers, Price, PriceId, Recurring, Subscription,
-    SubscriptionId, SubscriptionItem, SubscriptionItemId, UpdateSubscriptionItems,
+    SubscriptionId, SubscriptionItem, SubscriptionItemId, UpdateCustomer, UpdateSubscriptionItems,
     UpdateSubscriptionTrialSettings, UpdateSubscriptionTrialSettingsEndBehavior,
     UpdateSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod,
 };
@@ -25,7 +25,8 @@ use crate::stripe_client::{
     StripePriceId, StripePriceRecurring, StripeSubscription, StripeSubscriptionId,
     StripeSubscriptionItem, StripeSubscriptionItemId, StripeSubscriptionTrialSettings,
     StripeSubscriptionTrialSettingsEndBehavior,
-    StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod, UpdateSubscriptionParams,
+    StripeSubscriptionTrialSettingsEndBehaviorMissingPaymentMethod, UpdateCustomerParams,
+    UpdateSubscriptionParams,
 };
 
 pub struct RealStripeClient {
@@ -78,6 +79,24 @@ impl StripeClient for RealStripeClient {
         Ok(StripeCustomer::from(customer))
     }
 
+    async fn update_customer(
+        &self,
+        customer_id: &StripeCustomerId,
+        params: UpdateCustomerParams<'_>,
+    ) -> Result<StripeCustomer> {
+        let customer = Customer::update(
+            &self.client,
+            &customer_id.try_into()?,
+            UpdateCustomer {
+                email: params.email,
+                ..Default::default()
+            },
+        )
+        .await?;
+
+        Ok(StripeCustomer::from(customer))
+    }
+
     async fn list_subscriptions_for_customer(
         &self,
         customer_id: &StripeCustomerId,