chore(deps): bump catboost from 1.2.7 to 1.2.8

Bumps [catboost](https://github.com/catboost/catboost) from 1.2.7 to 1.2.8.
- [Release notes](https://github.com/catboost/catboost/releases)
- [Changelog](https://github.com/catboost/catboost/blob/master/RELEASE.md)
- [Commits](https://github.com/catboost/catboost/compare/v1.2.7...v1.2.8)

---
updated-dependencies:
- dependency-name: catboost
  dependency-version: 1.2.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-freqai.txt

@@ -5,7 +5,7 @@
 # Required for freqai
 scikit-learn==1.6.1
 joblib==1.4.2
-catboost==1.2.7; 'arm' not in platform_machine
+catboost==1.2.8; 'arm' not in platform_machine
 lightgbm==4.6.0
 xgboost==2.1.4
 tensorboard==2.19.0