chore(deps): update pre-commit hook astral-sh/ruff-pre-commit to v0.15.9 (#428)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[astral-sh/ruff-pre-commit](https://redirect.github.com/astral-sh/ruff-pre-commit)
| repository | patch | `v0.15.8` → `v0.15.9` |

Note: The `pre-commit` manager in Renovate is not supported by the
`pre-commit` maintainers or community. Please do not report any problems
there, instead [create a Discussion in the Renovate
repository](https://redirect.github.com/renovatebot/renovate/discussions/new)
if you have any questions.

---

### Release Notes

<details>
<summary>astral-sh/ruff-pre-commit (astral-sh/ruff-pre-commit)</summary>

###
[`v0.15.9`](https://redirect.github.com/astral-sh/ruff-pre-commit/releases/tag/v0.15.9)

[Compare
Source](https://redirect.github.com/astral-sh/ruff-pre-commit/compare/v0.15.8...v0.15.9)

See: <https://github.com/astral-sh/ruff/releases/tag/0.15.9>

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

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Author: canonical-iam

.pre-commit-config.yaml

@@ -21,7 +21,7 @@ repos:
     - id: isort
       name: isort (python)
 - repo: https://github.com/astral-sh/ruff-pre-commit
-  rev: v0.15.8
+  rev: v0.15.9
   hooks:
     - id: ruff
       args: [--fix, --exit-non-zero-on-fix]