collab: Enable automatic tax calculation for all new subscriptions (#34720)

Release Notes:

- N/A

---------

Co-authored-by: Marshall Bowers <git@maxdeviant.com>

crates/collab/src/stripe_client.rs

@@ -73,6 +73,7 @@ pub enum StripeCancellationDetailsReason {
 pub struct StripeCreateSubscriptionParams {
     pub customer: StripeCustomerId,
     pub items: Vec<StripeCreateSubscriptionItems>,
+    pub automatic_tax: Option<StripeAutomaticTax>,
 }
 
 #[derive(Debug)]
@@ -224,6 +225,11 @@ pub struct StripeTaxIdCollection {
     pub enabled: bool,
 }
 
+#[derive(Debug, Clone)]
+pub struct StripeAutomaticTax {
+    pub enabled: bool,
+}
+
 #[derive(Debug)]
 pub struct StripeCheckoutSession {
     pub url: Option<String>,