Fix MainActor with defer compile error (pointfreeco#94)

Author: Jager-yoo

Examples/CaseStudies/01-Alerts.swift

@@ -45,8 +45,8 @@ private class FeatureModel: ObservableObject {
   func numberFactButtonTapped() {
     Task {
       self.isLoading = true
-      defer { self.isLoading = false }
       self.fact = await getNumberFact(self.count)
+      self.isLoading = false
     }
   }
 }

Examples/CaseStudies/02-ConfirmationDialogs.swift

@@ -43,8 +43,8 @@ private class FeatureModel: ObservableObject {
   func numberFactButtonTapped() {
     Task {
       self.isLoading = true
-      defer { self.isLoading = false }
       self.fact = await getNumberFact(self.count)
+      self.isLoading = false
     }
   }
 }

README.md

@@ -104,7 +104,7 @@ it's as simple as adding it to a `dependencies` clause in your `Package.swift`:
 
 ``` swift
 dependencies: [
-  .package(url: "https://github.com/pointfreeco/swiftui-navigation", from: "0.4.5")
+  .package(url: "https://github.com/pointfreeco/swiftui-navigation", from: "0.7.1")
 ]
 ```