fix xgboost hook through xgboost version 1.7

[yl-to]

Description of changes:

Tests passed

• [x] unit tests for xgboost 1.0/1.3/1.5/1.7.
• [x] higgsboson test as integration test.

Style and formatting:

I have run pre-commit install && pre-commit run --all-files to ensure that auto-formatting happens with every commit.

Issue number, if available

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[johnbensnyder]

This looks good. Can you add some notes on what tests you've run?