chore: adjust compatibility matrix for Xcode 16.3+

Author: hansemannn

docs/guide/Titanium_SDK/Titanium_SDK_Getting_Started/Installation_and_Configuration/Titanium_Compatibility_Matrix/README.md

@@ -198,7 +198,8 @@ Each Titanium SDK supports a specific range of Xcode versions, shown in the tabl
 
 | Titanium SDK Version | Min Xcode Version | Max Xcode Version | Notes |
 | --- | --- | --- | --- |
-| 12.2.0 - latest | 12.0.0 | 15.x | Full support for iOS 17 |
+| 12.6.3 - latest | 12.0.0 | 16.x | Full support for iOS 18.4 |
+| 12.2.0 - 12.6.2 | 12.0.0 | 16.2 | Full support for iOS 17 |
 | 10.1.0 - 12.1.2 | 11.0.0 | 13.x | Full support for iOS 15 |
 
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