Merge pull request #5313 from woocommerce/fix/warnings-under-Xcode-13

Fix: warnings in `AttributedText` view under Xcode 13

Author: pmusolino

WooCommerce/Classes/ViewRelated/ReusableViews/SwiftUI Components/AttributedText.swift

@@ -197,13 +197,13 @@ extension EnvironmentValues {
 
 private extension EnvironmentValues {
     var foregroundColor: Color? {
-        get { self[ForegroundColorKey] }
-        set { self[ForegroundColorKey] = newValue }
+        get { self[ForegroundColorKey.self] }
+        set { self[ForegroundColorKey.self] = newValue }
     }
 
     var linkColor: Color? {
-        get { self[LinkColorKey] }
-        set { self[LinkColorKey] = newValue }
+        get { self[LinkColorKey.self] }
+        set { self[LinkColorKey.self] = newValue }
     }
 }