feat: Update package.json to 1.1.6

Assets/MackySoft/MackySoft.SerializeReferenceExtensions/Samples~.meta

@@ -1,8 +0,0 @@
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Assets/MackySoft/MackySoft.SerializeReferenceExtensions/package.json

@@ -1,7 +1,7 @@
 {
 	"name": "com.mackysoft.serializereference-extensions",
 	"displayName": "SerializeReference Extensions",
-	"version": "1.1.5",
+	"version": "1.1.6",
 	"unity": "2019.4",
 	"description": "Provide popup to specify the type of the field serialized by the [SerializeReference] attribute in the inspector.",
 	"keywords": [ "SerializeReference", "Editor" ],