[swift5] fix compile error from Alamofire 5.10 - cast Parameter type to avoid recursion (#19908)

* cast type to avoid unintended recursive call

* update samples

Author: rmustard

modules/openapi-generator/src/main/resources/swift5/libraries/alamofire/AlamofireImplementations.mustache

@@ -408,6 +408,8 @@ extension JSONDataEncoding: ParameterEncoding {
     public func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest {
         let urlRequest = try urlRequest.asURLRequest()
 
-        return encode(urlRequest, with: parameters)
+        // Alamofire 5.10 changed type of Parameters so that it is no longer equivalent to [String: Any]
+        // cast this type so that the call to encode is not recursive
+        return encode(urlRequest, with: parameters as [String: Any]?)
     }
 }

samples/client/petstore/swift5/alamofireLibrary/PetstoreClient/Classes/OpenAPIs/AlamofireImplementations.swift

@@ -408,6 +408,8 @@ extension JSONDataEncoding: ParameterEncoding {
     public func encode(_ urlRequest: URLRequestConvertible, with parameters: Parameters?) throws -> URLRequest {
         let urlRequest = try urlRequest.asURLRequest()
 
-        return encode(urlRequest, with: parameters)
+        // Alamofire 5.10 changed type of Parameters so that it is no longer equivalent to [String: Any]
+        // cast this type so that the call to encode is not recursive
+        return encode(urlRequest, with: parameters as [String: Any]?)
     }
 }