accept `base` `3.0` and `system` `2.0`

What does this MR do?

This makes this library accept base 3.0 and system 2.0.

Changes to public APIs

Author's checklist (required)

• If bugs have been solved, tests have been added (guidelines)
• A changelog entry has been added (guidelines)
• Newly added code is documented (guidelines)
• Newly added code has a style consistent with the rest of the repository
• Intermediate commits compile (use git rebase -i main if not)

Related issues