Update to pricing_version webhook field

Webhooks will now return the current pricing version ID in the pricing_version field for free plans. Previously, the field would return null.

Check out the sample payload below, and you also can read more about webhooks in our documentation!

type: "install", data: { app_id: 1000000000, user_id: 2, user_email: "user1@users.com", user_name: "User 1", user_cluster: "other", account_tier: "free", account_max_users: 10000, account_id: 777777, account_name: "Demo Account", account_slug: "test", version_data: { major: 4, minor: 5, patch: 0, type: "minor" }, timestamp: "2023-06-26T00:00:00.000+00:00", subscription: { plan_id: "5", renewal_date: "2023-07-10T00:00:00+00:00", is_trial: false, billing_period: "monthly", days_left: 14, pricing_version: 5 }, user_country: "IL" }