chore(deps-dev): bump maturin from 1.8.3 to 1.8.6 in /functional-tests (#845)

Bumps [maturin](https://github.com/pyo3/maturin) from 1.8.3 to 1.8.6.
- [Release notes](https://github.com/pyo3/maturin/releases)
- [Changelog](https://github.com/PyO3/maturin/blob/main/Changelog.md)
- [Commits](PyO3/maturin@v1.8.3...v1.8.6)

---
updated-dependencies:
- dependency-name: maturin
  dependency-version: 1.8.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

functional-tests/poetry.lock

@@ -17,7 +17,7 @@ toml = "^0.10.2"
 
 [tool.poetry.group.dev.dependencies]
 ruff = "0.11.12"
-maturin = "1.8.3"
+maturin = "1.8.6"
 
 [tool.ruff]
 line-length = 100