feat(package): update package purchase methods and enhance Protobuf definitions

- Changed package purchase method from DirectPurchase to Manual in multiple command handlers to reflect new business logic.
- Added Manual purchase method to PackagePurchaseMethod enum for clarity.
- Introduced new RPC method GetCustomerPackagePurchaseRollup in Protobuf for summarizing customer package purchases.
- Updated UserPackagePurchaseProfile and UserPackagePurchaseService to support new rollup functionality.
- Bumped Protobuf project version to accommodate new features.

src/CMSMicroservice.Domain/Enums/PackagePurchaseMethod.cs

@@ -18,5 +18,10 @@ public enum PackagePurchaseMethod
     /// <summary>
     /// از طریق پرداخت مستقیم درگاه بانکی
     /// </summary>
-    DirectPurchase = 2
+    DirectPurchase = 2,
+
+    /// <summary>
+    /// ثبت دستی توسط ادمین
+    /// </summary>
+    Manual = 3
 }