Add utf-8 encoding signature to main.py release task
Add utf-8 encoding signature to main.py release task

jsopenstd/js-task-path,jsopenstd/js-task-path,jsstd/js-task-paths,jsstd/js-task-paths,jsopenstd/js-task-path,jsstd/js-task-paths,jsopenstd/js-task-path,jsstd/js-task-paths,jsstd/js-task-paths