chore(deps): update determinatesystems/nix-installer-action action to v19 (#31)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[DeterminateSystems/nix-installer-action](https://redirect.github.com/DeterminateSystems/nix-installer-action)
| action | major | `v18` -> `v19` |

---

### Release Notes

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

###
[`v19`](https://redirect.github.com/DeterminateSystems/nix-installer-action/releases/tag/v19)

[Compare
Source](https://redirect.github.com/DeterminateSystems/nix-installer-action/compare/v18...v19)

#### What's Changed

- Update `detsys-ts`: Await the request promise so we can cover it with
the timout handler
([#&#8203;105](https://redirect.github.com/DeterminateSystems/nix-installer-action/issues/105))
by [@&#8203;detsys-pr-bot](https://redirect.github.com/detsys-pr-bot) in
[https://github.com/DeterminateSystems/nix-installer-action/pull/191](https://redirect.github.com/DeterminateSystems/nix-installer-action/pull/191)

**Full Changelog**:
DeterminateSystems/nix-installer-action@v18...v19

</details>

---

### Configuration

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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
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---

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

---

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.github/actions/set_up_runner/action.yaml

@@ -7,7 +7,7 @@ inputs:
 runs:
   using: composite
   steps:
-    - uses: DeterminateSystems/nix-installer-action@c723f3a885e3f1d866d91f4f0c33dd44b1fc7c60 # v18
+    - uses: DeterminateSystems/nix-installer-action@90bb610b90bf290cad97484ba341453bd1cbefea # v19
       with:
         github-token: ${{ inputs.github_token }}
     - uses: DeterminateSystems/magic-nix-cache-action@565684385bcd71bad329742eefe8d12f2e765b39 # v13