fix(POM-393): resolve primary concurrency warnings

Package.swift

@@ -1,7 +1,11 @@
-// swift-tools-version: 5.9
+// swift-tools-version: 6.0
 
 import PackageDescription
 
+let swiftSettings: [SwiftSetting] = [
+    .enableUpcomingFeature("StrictConcurrency")
+]
+
 let package = Package(
     name: "ProcessOut",
     defaultLocalization: "en",
@@ -26,7 +30,8 @@ let package = Package(
             exclude: ["swiftgen.yml"],
             resources: [
                 .process("Resources")
-            ]
+            ],
+            swiftSettings: swiftSettings
         ),
         .target(
             name: "ProcessOutCheckout3DS",
@@ -45,7 +50,8 @@ let package = Package(
             ],
             resources: [
                 .process("Resources")
-            ]
+            ],
+            swiftSettings: swiftSettings
         ),
         .target(
             name: "ProcessOutCoreUI",
@@ -54,7 +60,8 @@ let package = Package(
             ],
             resources: [
                 .process("Resources")
-            ]
+            ],
+            swiftSettings: swiftSettings
         ),
         .binaryTarget(name: "cmark", path: "Vendor/cmark.xcframework")
     ]

Sources/ProcessOut/Sources/Api/Builders/ProcessOutHttpConnectorBuilder.swift

@@ -11,7 +11,7 @@ import Foundation
 final class ProcessOutHttpConnectorBuilder {
 
     /// Connector configuration provider.
-    var configuration: (() -> HttpConnectorRequestMapperConfiguration)?
+    var configuration: (@Sendable () -> HttpConnectorRequestMapperConfiguration)?
 
     /// Retry strategy to use for failing requests.
     var retryStrategy: RetryStrategy? = .exponential(maximumRetries: 3, interval: 0.1, rate: 3)
@@ -89,7 +89,7 @@ final class ProcessOutHttpConnectorBuilder {
 
 extension ProcessOutHttpConnectorBuilder {
 
-    func with(configuration: @escaping () -> HttpConnectorRequestMapperConfiguration) -> Self {
+    func with(configuration: @escaping @Sendable () -> HttpConnectorRequestMapperConfiguration) -> Self {
         self.configuration = configuration
         return self
     }

Sources/ProcessOut/Sources/Api/Models/PODeepLinkReceivedEvent.swift

@@ -7,7 +7,8 @@
 
 import Foundation
 
-@_spi(PO) public struct PODeepLinkReceivedEvent: POEventEmitterEvent {
+@_spi(PO)
+public struct PODeepLinkReceivedEvent: POEventEmitterEvent {
 
     /// Url representing deep link or universal link.
     public let url: URL

Sources/ProcessOut/Sources/Api/Models/ProcessOutConfiguration.swift

@@ -13,9 +13,9 @@ public typealias ProcessOutApiConfiguration = ProcessOutConfiguration
 /// Defines configuration parameters that are used to create API singleton. In order to create instance
 /// of this structure one should use ``ProcessOutConfiguration/production(projectId:appVersion:isDebug:)``
 /// method.
-public struct ProcessOutConfiguration {
+public struct ProcessOutConfiguration: Sendable {
 
-    public struct Application {
+    public struct Application: Sendable {
 
         /// Application name.
         public let name: String?