Bump the actions group across 1 directory with 2 updates

Updates the requirements on [sphinx](https://github.com/sphinx-doc/sphinx) and [pytest](https://github.com/pytest-dev/pytest) to permit the latest version.

Updates `sphinx` to 9.1.0
- [Release notes](https://github.com/sphinx-doc/sphinx/releases)
- [Changelog](https://github.com/sphinx-doc/sphinx/blob/master/CHANGES.rst)
- [Commits](sphinx-doc/sphinx@v0.1.61611...v9.1.0)

Updates `pytest` to 9.0.2
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.0.0...9.0.2)

---
updated-dependencies:
- dependency-name: sphinx
  dependency-version: 9.1.0
  dependency-type: direct:development
  dependency-group: actions
- dependency-name: pytest
  dependency-version: 9.0.2
  dependency-type: direct:development
  dependency-group: actions
...

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

Author: dependabot[bot]

pyproject.toml

@@ -45,7 +45,7 @@ Tracker = "https://github.com/ipython/ipykernel/issues"
 docs = [
   # Sphinx pinned until `sphinx-autodoc-typehints` issue is resolved:
   # https://github.com/tox-dev/sphinx-autodoc-typehints/issues/523
-  "sphinx<8.2.0",
+  "sphinx<9.2.0",
   "myst_parser",
   "pydata_sphinx_theme",
   "sphinxcontrib_github_alt",
@@ -55,7 +55,7 @@ docs = [
   "trio"
 ]
 test = [
-    "pytest>=7.0,<9",
+    "pytest>=7.0,<10",
     "pytest-cov",
     # 'pytest-xvfb; platform_system == "Linux"',
     "flaky",