Update Alamofire dependency

Author: tovkal

modules/swagger-codegen/src/main/resources/swift5/Podspec.mustache

@@ -18,5 +18,5 @@ Pod::Spec.new do |s|
   s.source_files = '{{projectName}}/Classes/**/*.swift'{{#usePromiseKit}}
   s.dependency 'PromiseKit/CorePromise', '~> 4.4.0'{{/usePromiseKit}}{{#useRxSwift}}
   s.dependency 'RxSwift', '~> 4.0'{{/useRxSwift}}
-  s.dependency 'Alamofire', '~> 4.5.0'
+  s.dependency 'Alamofire', '~> 4.9.0'
 end