chore: apply ruff's pyupgrade linter rules to modernize Python code with targeted version (#2419)

api/controllers/console/workspace/account.py

@@ -1,4 +1,3 @@
-# -*- coding:utf-8 -*-
 from datetime import datetime
 
 import pytz

api/controllers/console/workspace/members.py

@@ -1,4 +1,3 @@
-# -*- coding:utf-8 -*-
 from flask import current_app
 from flask_login import current_user
 from flask_restful import Resource, abort, fields, marshal_with, reqparse

api/controllers/console/workspace/workspace.py

@@ -1,4 +1,3 @@
-# -*- coding:utf-8 -*-
 import logging
 
 from flask import request