Update pytest requirement from <10,>=9.1.0 to >=9.1.1,<10 (#40)

Updates the requirements on [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@9.1.0...9.1.1)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.1.1
  dependency-type: direct:development
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pyproject.toml

@@ -55,7 +55,7 @@ build = [
 ]
 
 tests = [
-  "pytest>=9.1.0,<10",
+  "pytest>=9.1.1,<10",
   "pytest-cov>=7.1.0,<8",
   "pytest-xdist>=3.8.0,<4",
   "rfdetr[train]",