Update ObjectBox CocoaPod [5.3.0-beta.3 -> 5.3.0-beta.4]

Includes database version 5.3.1-2026-03-26

Author: greenrobot

flutter_libs/ios/objectbox_flutter_libs.podspec

@@ -18,7 +18,7 @@ Pod::Spec.new do |s|
   s.source_files     = 'Classes/**/*'
 
   s.dependency 'Flutter'
-  s.dependency 'ObjectBox', '5.3.0-beta.3'
+  s.dependency 'ObjectBox', '5.3.0-beta.4'
 
   # Flutter.framework does not contain a i386 slice.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }

flutter_libs/macos/objectbox_flutter_libs.podspec

@@ -18,7 +18,7 @@ Pod::Spec.new do |s|
   s.source_files     = 'Classes/**/*'
 
   s.dependency 'FlutterMacOS'
-  s.dependency 'ObjectBox', '5.3.0-beta.3'
+  s.dependency 'ObjectBox', '5.3.0-beta.4'
 
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
   s.swift_version = '5.3'

sync_flutter_libs/ios/objectbox_sync_flutter_libs.podspec

@@ -18,7 +18,7 @@ Pod::Spec.new do |s|
   s.source_files     = 'Classes/**/*'
 
   s.dependency 'Flutter'
-  s.dependency 'ObjectBox', '5.3.0-beta.3-sync'
+  s.dependency 'ObjectBox', '5.3.0-beta.4-sync'
 
   # Flutter.framework does not contain a i386 slice.
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }

sync_flutter_libs/macos/objectbox_sync_flutter_libs.podspec

@@ -14,7 +14,7 @@ Pod::Spec.new do |s|
   s.source_files     = 'Classes/**/*'
 
   s.dependency 'FlutterMacOS'
-  s.dependency 'ObjectBox', '5.3.0-beta.3-sync'
+  s.dependency 'ObjectBox', '5.3.0-beta.4-sync'
 
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
   s.swift_version = '5.3'