Fix task json schema to allow object type args in OS config

Fixes #79738

src/vs/workbench/contrib/tasks/common/jsonSchema_v2.ts

@@ -481,6 +481,7 @@ tasks.items = {
 definitionsTaskRunnerConfigurationProperties.inputs = inputsSchema.definitions!.inputs;
 
 definitions.commandConfiguration.properties!.isShellCommand = Objects.deepClone(shellCommand);
+definitions.commandConfiguration.properties!.args = Objects.deepClone(args);
 definitions.options.properties!.shell = {
 	$ref: '#/definitions/shellConfiguration'
 };