Update urllib3 to fix security issue

[chenditc]

Description

Update urllib3 dependency according to https://github.com/advisories/GHSA-34jh-p97f-mpxf

Motivation and Context

Fix security issue

How Has This Been Tested?

• [Not applicable] Pass the test by running: pytest qlib/tests/test_all_pipeline.py under upper directory of qlib.
• [Not applicable] If you are adding a new feature, test on your own test scripts.

Screenshots of Test Results (if appropriate):

1. Pipeline test:
2. Your own tests:

Types of changes

• [x] Fix bugs
• [ ] Add new feature
• [ ] Update documentation