chore: fix return type

Author: ChiragAgg5k

templates/react-native/src/services/template.ts.twig

@@ -190,7 +190,7 @@ export class {{ service.name | caseUcfirst }} extends Service {
      * @returns {{ '{' }}URL{{ '}' }}
 
     */
-    {{ method.name | caseCamel }}URL({% for parameter in method.parameters.all %}{{ parameter.name | caseCamel | escapeKeyword }}{% if not parameter.required or parameter.nullable %}?{% endif %}: {{ parameter | getPropertyType(method) | raw }}{% if not loop.last %}, {% endif %}{% endfor %}{% if 'multipart/form-data' in method.consumes %}, onProgress = (progress: UploadProgress) => {}{% endif %}): Promise<ArrayBuffer> {
+    {{ method.name | caseCamel }}URL({% for parameter in method.parameters.all %}{{ parameter.name | caseCamel | escapeKeyword }}{% if not parameter.required or parameter.nullable %}?{% endif %}: {{ parameter | getPropertyType(method) | raw }}{% if not loop.last %}, {% endif %}{% endfor %}{% if 'multipart/form-data' in method.consumes %}, onProgress = (progress: UploadProgress) => {}{% endif %}): URL {
         const apiPath = '{{ method.path }}'{% for parameter in method.parameters.path %}.replace('{{ '{' }}{{ parameter.name | caseCamel | escapeKeyword }}{{ '}' }}', {{ parameter.name | caseCamel | escapeKeyword }}){% endfor %};
         const payload: Payload = {};