Update base.py

[pop2pop3]

fix: New AppleID Auth with SIRP

Inspired by the work from @iowk after fixing the authentication of icloudpd: https://github.com/icloud-photos-downloader/icloud_photos_downloader/commit/4bcb2ac46a585205cbf3886b3df78179b34b18b1#diff-f2270f557e6afedd3e082f4dd8478d1c96dea051d6ea2e5b1229c0bb58d3d7f4R339

Breaking change

Proposed change

Type of change

• [ ] Dependency upgrade
• [x ] Bugfix (non-breaking change which fixes an issue)
• [ ] New service (thank you!)
• [ ] New feature (which adds functionality to an existing service)
• [ ] Breaking change (fix/feature causing existing functionality to break)
• [ ] Code quality improvements to existing code or addition of tests
• [ ] Documentation or code sample

Example of code:

Additional information

• This PR fixes or closes issue: fixes #
• This PR is related to issue:

Checklist

• [x ] The code change is tested and works locally.
• [ ] Local tests pass. Your PR cannot be merged unless tests pass
• [ ] There is no commented out code in this PR.
• [ ] Tests have been added to verify that the new code works.

If user exposed functionality or configuration variables are added/changed:

• [ ] Documentation added/updated to README