Update xgboost requirement from ~=1.5 to >=1.5,<3.0

Updates the requirements on [xgboost](https://github.com/dmlc/xgboost) to permit the latest version.
- [Release notes](https://github.com/dmlc/xgboost/releases)
- [Changelog](https://github.com/dmlc/xgboost/blob/master/NEWS.md)
- [Commits](dmlc/xgboost@v1.5.0...v2.0.1)

---
updated-dependencies:
- dependency-name: xgboost
  dependency-type: direct:production
...

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

pyproject.toml

@@ -60,7 +60,7 @@ examples =[
     "jupyter~=1.0",
     "jupyterlab~=3.2",
     "lightgbm~=3.3",
-    "xgboost~=1.5",
+    "xgboost>=1.5,<3.0",
 ]
 pyserini =[
     "pyserini~=0.14.0",