build(deps-dev): bump pytest-memray in the benchmark-tooling group (#808)

Bumps the benchmark-tooling group with 1 update: [pytest-memray](https://github.com/bloomberg/pytest-memray).


Updates `pytest-memray` from 1.8.0 to 1.9.0
- [Release notes](https://github.com/bloomberg/pytest-memray/releases)
- [Changelog](https://github.com/bloomberg/pytest-memray/blob/main/docs/news.rst)
- [Commits](bloomberg/pytest-memray@v1.8.0...v1.9.0)

---
updated-dependencies:
- dependency-name: pytest-memray
  dependency-version: 1.9.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: benchmark-tooling
...

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

Author: dependabot[bot]

pyproject.toml

@@ -95,7 +95,7 @@ benchmarks = [
     "dask==2026.6.0",
     "pytest==9.1.1",
     "pytest-benchmark==5.2.3",
-    "pytest-memray==1.8.0",
+    "pytest-memray==1.9.0",
     "pytest-codspeed==5.0.3",
 ]
 solvers = [