Depend on SwiftUINavigation for TextState, AlertState, etc... (#1685)

* Use `swiftui-navigation` for alerts

* wip

* wip

* wip

* wip

* wip

Co-authored-by: Stephen Celis <[email protected]>
(cherry picked from commit 0a1958115c05978478139105a67a556871ed8e1a)

# Conflicts:
#	Package.swift
#	Sources/ComposableArchitecture/Internal/Deprecations.swift
#	Sources/ComposableArchitecture/SwiftUI/Alert.swift
#	Sources/ComposableArchitecture/SwiftUI/ConfirmationDialog.swift
#	Sources/ComposableArchitecture/SwiftUI/TextState.swift
#	Tests/ComposableArchitectureTests/DebugTests.swift

Author: mbrandonw

ComposableArchitecture.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -28,6 +28,7 @@ let package = Package(
     .package(url: "https://github.com/pointfreeco/swift-clocks", from: "0.1.4"),
     .package(url: "https://github.com/pointfreeco/swift-custom-dump", from: "0.6.0"),
     .package(url: "https://github.com/pointfreeco/swift-identified-collections", from: "0.4.1"),
+    .package(url: "https://github.com/pointfreeco/swiftui-navigation", from: "0.4.1"),
     .package(url: "https://github.com/pointfreeco/xctest-dynamic-overlay", from: "0.5.0"),
   ],
   targets: [
@@ -39,6 +40,7 @@ let package = Package(
         .product(name: "CustomDump", package: "swift-custom-dump"),
         .product(name: "IdentifiedCollections", package: "swift-identified-collections"),
         .product(name: "ReactiveSwift", package: "ReactiveSwift"),
+        .product(name: "_SwiftUINavigationState", package: "swiftui-navigation"),
         .product(name: "XCTestDynamicOverlay", package: "xctest-dynamic-overlay"),
       ]
     ),

Package.resolved

@@ -25,12 +25,6 @@ The Composable Architecture can be used to power applications built in many fram
 - ``BindingReducer``
 - ``ViewStore/binding(_:file:fileID:line:)``
 
-### View state
-
-- ``AlertState``
-- ``ConfirmationDialogState``
-- ``TextState``
-
 <!--DocC: Can't currently document `View` extensions-->
 <!--### View Modifiers-->