Update pytest requirement from <9 to <10

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@1.0.0b3...9.0.2)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.0.2
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -44,7 +44,7 @@ macro-expand = "texthooks.macro_expand:main"
 [dependency-groups]
 coverage = ["coverage[toml]"]
 test = [
-    "pytest<9",
+    "pytest<10",
     "pytest-cov<8",
     "pytest-xdist<4",
     { include-group = "coverage" },