Updated DataObject to 1.0.0

Author: Zach Eriksen

Package.swift

@@ -15,7 +15,7 @@ let package = Package(
         // Dependencies declare other packages that this package depends on.
         // .package(url: /* package url */, from: "1.0.0"),
         .package(url: "https://github.com/0xLeif/Observation", from: "0.0.2"),
-        .package(url: "https://github.com/0xLeif/DataObject", from: "0.2.1")
+        .package(url: "https://github.com/0xLet/DataObject.git", from: "1.0.0"),
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.