build(deps): update lusingander/stu to v0.7.5

This MR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [lusingander/stu](https://github.com/lusingander/stu) | patch | `v0.7.4` -> `v0.7.5` |

MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot).

**Proposed changes to behavior should be submitted there as MRs.**

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### Release Notes

<details>
<summary>lusingander/stu (lusingander/stu)</summary>

### [`v0.7.5`](https://github.com/lusingander/stu/releases/tag/v0.7.5)

[Compare Source](lusingander/stu@v0.7.4...v0.7.5)

#### What's Changed

- Remove imggen feature by [@&#8203;lusingander](https://github.com/lusingander) in [#&#8203;79](lusingander/stu#79)
- Add `--no-sign-request` option by [@&#8203;lusingander](https://github.com/lusingander) in [#&#8203;84](lusingander/stu#84)
- Fix to not display app name
- Update MSRV to 1.88.0
- Publish new documentation page
  - <https://lusingander.github.io/stu/>

**Full Changelog**: <lusingander/stu@v0.7.4...v0.7.5>

</details>

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### Configuration

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This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
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Author: ECG Bot

chezmoi/dot_config/aquaproj-aqua/aqua.yaml

@@ -249,7 +249,7 @@ packages:
 - name: idursun/[email protected]
   description: Jujutsu UI (jjui) is a Text User Interface (TUI) designed for interacting with the Jujutsu version control system
   link: https://github.com/idursun/jjui
-- name: lusingander/[email protected].4
+- name: lusingander/[email protected].5
   description: TUI explorer application for Amazon S3 (AWS S3)
   link: https://github.com/lusingander/stu
 - name: brumhard/[email protected]