chore(deps): update determinatesystems/nix-installer-action action to v15 (#53)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[DeterminateSystems/nix-installer-action](https://redirect.github.com/DeterminateSystems/nix-installer-action)
| action | major | `v14` -> `v15` |

---

### Release Notes

<details>
<summary>DeterminateSystems/nix-installer-action
(DeterminateSystems/nix-installer-action)</summary>

###
[`v15`](https://redirect.github.com/DeterminateSystems/nix-installer-action/releases/tag/v15)

[Compare
Source](https://redirect.github.com/DeterminateSystems/nix-installer-action/compare/v14...v15)

#### What's Changed

- Grahamc/determinate argument by
[@&#8203;grahamc](https://redirect.github.com/grahamc) in
[https://github.com/DeterminateSystems/nix-installer-action/pull/123](https://redirect.github.com/DeterminateSystems/nix-installer-action/pull/123)
- Add the job-status option by
[@&#8203;grahamc](https://redirect.github.com/grahamc) in
[https://github.com/DeterminateSystems/nix-installer-action/pull/125](https://redirect.github.com/DeterminateSystems/nix-installer-action/pull/125)

**Full Changelog**:
https://github.com/DeterminateSystems/nix-installer-action/compare/v14...v15

</details>

---

### Configuration

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Automerge - At any time (no schedule defined).

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

♻ **Rebasing**: Whenever PR becomes conflicted, 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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.github/workflows/update-flake.yaml

@@ -10,7 +10,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Instal Nix
-        uses: DeterminateSystems/nix-installer-action@v14
+        uses: DeterminateSystems/nix-installer-action@v15
 
       - name: Update flake.lock
         uses: DeterminateSystems/update-flake-lock@v24