chore(deps): update dependency pipdeptree to v2.9.2 (#95)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pipdeptree](https://togithub.com/tox-dev/pipdeptree)
([changelog](https://togithub.com/tox-dev/pipdeptree/blob/main/CHANGES.md))
| `2.9.1` -> `2.9.2` |
[![age](https://badges.renovateapi.com/packages/pypi/pipdeptree/2.9.2/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/pypi/pipdeptree/2.9.2/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/pypi/pipdeptree/2.9.2/compatibility-slim/2.9.1)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/pypi/pipdeptree/2.9.2/confidence-slim/2.9.1)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>tox-dev/pipdeptree</summary>

###
[`v2.9.2`](https://togithub.com/tox-dev/pipdeptree/releases/tag/2.9.2)

[Compare
Source](https://togithub.com/tox-dev/pipdeptree/compare/2.9.1...2.9.2)

#### What's Changed

- Fix test_render_pdf fails on illumos by
[@&#8203;gaborbernat](https://togithub.com/gaborbernat) in
[https://github.com/tox-dev/pipdeptree/pull/246](https://togithub.com/tox-dev/pipdeptree/pull/246)
- Fix relative venv inspections fails by
[@&#8203;gaborbernat](https://togithub.com/gaborbernat) in
[https://github.com/tox-dev/pipdeptree/pull/247](https://togithub.com/tox-dev/pipdeptree/pull/247)

**Full Changelog**:
tox-dev/pipdeptree@2.9.1...2.9.2

</details>

---

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---

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