fix process utils comment typo (#14613)

dolphinscheduler-task-plugin/dolphinscheduler-task-api/src/main/java/org/apache/dolphinscheduler/plugin/task/api/utils/ProcessUtils.java

@@ -135,7 +135,7 @@ public final class ProcessUtils {
     }
 
     /**
-     * cacel k8s / yarn application
+     * cancel k8s / yarn application
      *
      * @param taskExecutionContext
      * @return