Update ios SDk to use 3.3.0

Author: ivo.liondov

ios/approov_service_flutter_httpclient.podspec

@@ -13,7 +13,7 @@ Pod::Spec.new do |s|
     s.source_files = 'Classes/**/*'
     s.public_header_files = 'Classes/**/*.h'
     s.dependency 'Flutter'
-    s.dependency 'approov-ios-sdk', '~> 3.2.2'
+    s.dependency 'approov-ios-sdk', '~> 3.3.0'
     s.platform = :ios, '12.0'
     # Flutter.framework does not contain an i386 slice.
     s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' }