docs: replace all git.io links with their actual urls

[SukkaW]

Description

Motivation and Context

All links on git.io will stop redirecting after April 29, 2022: https://github.blog/changelog/2022-04-25-git-io-deprecation/

Replace git.io within the error message with its original URL.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[escapedcat]

谢！Thanks for taking care of this. Didn't know :P