update spm

Author: leanplum-e2

Package.swift

@@ -10,8 +10,8 @@ let package = Package(
     targets: [
         .binaryTarget(
             name: "Leanplum",
-            url: "https://github.com/Leanplum/Leanplum-iOS-SDK/releases/download/4.0.0-beta12/Leanplum.xcframework.zip",
-            checksum: "d7be1fd67ac8cc0bf87bff2907e1e51e3ae3fe40633b1bf768bc8df6080d3bd1"
+            url: "https://github.com/Leanplum/Leanplum-iOS-SDK/releases/download/4.0.0-beta16/Leanplum.xcframework.zip",
+            checksum: "075753a006bad2abb3245631ce92d83bd99099115d8ae1f101337f428b0ceb44"
         ),
        .target(
            name: "LeanplumLocation",