Update README.md

Author: nihui

README.md

@@ -277,8 +277,8 @@ https://github.com/nihui/opencv-mobile/releases/latest
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-* Android package build with ndk r26b and android api 21
-* iOS / iOS-Simulator / MacOS / Mac-Catalyst package build with Xcode 13.4.1
+* Android package build with ndk r26c and android api 21
+* iOS / MacOS / Mac-Catalyst / watchOS / tvOS / visionOS package build with Xcode 15.2
 * ARM Linux package build with cross-compiler on Ubuntu-22.04
 * WebAssembly package build with Emscripten 3.1.28