build(deps): update pipx:tofuref to v1.4.0

This MR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pipx:tofuref](https://github.com/DJetelina/tofuref) | `1.3.0` -> `1.4.0` | [![age](https://developer.mend.io/api/mc/badges/age/pypi/tofuref/1.4.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/tofuref/1.4.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/tofuref/1.3.0/1.4.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/tofuref/1.3.0/1.4.0?slim=true)](https://docs.renovatebot.com/merge-confidence/) |

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.**

---

### Release Notes

<details>
<summary>DJetelina/tofuref (pipx:tofuref)</summary>

### [`v1.4.0`](https://github.com/DJetelina/tofuref/blob/HEAD/CHANGELOG.md#140---2025-07-30)

[Compare Source](djetelina/tofuref@v1.3.0...v1.4.0)

##### Added

- Cached guides now display their intended page title instead of their 'name' taken from a doc filename
- In provider window, GitHub repo of the provider can now be opened in a browser with `ctrl+g`
- In provider window, GitHub stats for a provider's repo can now be shown with `s`
- Content can now be opened in browser (on OpenTofu registry web) with `B` for easier searching and sharing

##### Changed

- Headers (frontmatter) of markdown documents in the registry are now handled by a proper library
- Numbers are now formatted according to locale
- Number of providers now have spaces around the `/` (out of) symbol
- Code block highlighting is no longer customizable due to a change in the TUI framework

</details>

---

### Configuration

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

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

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

---

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

---

This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS40NS4wIiwidXBkYXRlZEluVmVyIjoiNDEuNDUuMCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiUmVub3ZhdGUgQm90Il19-->

Author: ECG Bot

chezmoi/dot_config/mise/config.toml

@@ -30,7 +30,7 @@ pipx = "latest"
 "pipx:readmeai" = "0.6.3"
 "pipx:spiel" = "0.5.1"
 "pipx:tldr" = "3.4.1"
-"pipx:tofuref" = "1.3.0"
+"pipx:tofuref" = "1.4.0"
 "pipx:wtfis" = "0.13.0"
 
 ##################