chore: upgrade dependency to 4.5.2-build.2 for macOS (#2338)

Author: peilinok

macos/agora_rtc_engine.podspec

@@ -22,7 +22,7 @@ A new flutter plugin project.
     s.vendored_frameworks = 'libs/*.xcframework', 'libs/*.framework'
   else
     # iris dependencies start
-    s.dependency 'AgoraIrisRTC_macOS', '4.5.2-build.1'
+    s.dependency 'AgoraIrisRTC_macOS', '4.5.2-build.2'
     # iris dependencies end
 
     # native dependencies start