Remove Xcode 15 support

Author: dplewis

Parse/Parse/Source/PFConstants.h

@@ -8,8 +8,7 @@
  */
 
 #import <Foundation/Foundation.h>
-
-#include <TargetConditionals.h>
+#import <TargetConditionals.h>
 
 ///--------------------------------------
 #pragma mark - SDK Version

README.md

@@ -64,7 +64,7 @@ The Parse Apple SDK is continuously tested with the most recent releases of Xcod
 |---------------|-------------|---------------|-----------------|--------------|----------------|---------------------|-------------------------|
 | Xcode 13      | iOS 15      | macOS 12      | watchOS 8       | tvOS 15      | September 2021 | October 2023        | >= 1.19.3 < 2.7.2       |
 | Xcode 14      | iOS 16      | macOS 13      | watchOS 9       | tvOS 16      | September 2022 | October 2024        | >= 2.7.2 < 5.0.0        |
-| Xcode 15      | iOS 17      | macOS 14      | watchOS 10      | tvOS 17      | September 2023 | October 2025        | >= 3.0.0                |
+| Xcode 15      | iOS 17      | macOS 14      | watchOS 10      | tvOS 17      | September 2023 | October 2025        | >= 3.0.0 <= 5.1.1       |
 | Xcode 16      | iOS 18      | macOS 15      | watchOS 11      | tvOS 18      | September 2024 | tbd                 | >= 4.2.0                |
 
 ## How Do I Contribute?