updated segment version (#8)

Author: kdhingra07

Package.resolved

@@ -6,7 +6,7 @@ import PackageDescription
 let package = Package(
     name: "SegmentMixpanel",
     platforms: [
-        //.macOS("10.15"),
+        .macOS("10.15"),
         .iOS("13.0"),
         .tvOS("11.0"),
         .watchOS("7.1")
@@ -23,7 +23,7 @@ let package = Package(
         .package(
             name: "Segment",
             url: "https://github.com/segmentio/analytics-swift.git",
-            from: "1.4.0"
+            from: "1.4.1"
         ),
         .package(
             name: "Mixpanel",

Package.swift

@@ -33,11 +33,10 @@ import Mixpanel
 
 
 @objc(SEGMixpanelDestination)
-public class ObjCSegmentMixpanel: NSObject, ObjCDestination, ObjCDestinationShim {
-    public func instance() -> DestinationPlugin { return MixpanelDestination() }
+public class ObjCSegmentMixpanel: NSObject, ObjCPlugin, ObjCPluginShim {
+    public func instance() -> EventPlugin { return MixpanelDestination() }
 }
 
-
 public class MixpanelDestination: DestinationPlugin, RemoteNotifications {
     public let timeline = Timeline()
     public let type = PluginType.destination