chore(deps): update cachix/install-nix-action action to v31.8.2 (#330)

This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[cachix/install-nix-action](https://redirect.github.com/cachix/install-nix-action)
| action | patch | `v31.8.1` -> `v31.8.2` |

---

### Release Notes

<details>
<summary>cachix/install-nix-action (cachix/install-nix-action)</summary>

###
[`v31.8.2`](https://redirect.github.com/cachix/install-nix-action/releases/tag/v31.8.2)

[Compare
Source](https://redirect.github.com/cachix/install-nix-action/compare/v31.8.1...v31.8.2)

#### What's Changed

- nix: 2.32.1 -> 2.32.2 by
[@&#8203;github-actions](https://redirect.github.com/github-actions)\[bot]
in
[#&#8203;259](https://redirect.github.com/cachix/install-nix-action/pull/259)

**Full Changelog**:
<cachix/install-nix-action@v31.8.1...v31.8.2>

</details>

---

### Configuration

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♻ **Rebasing**: Whenever PR is behind base branch, 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
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---

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.github/workflows/flow-pr.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31.8.1
+      - uses: cachix/install-nix-action@456688f15bc354bef6d396e4a35f4f89d40bf2b7 # v31.8.2
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Try to update nix flake

.github/workflows/flow-release.yml

@@ -24,7 +24,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: cachix/install-nix-action@fd24c48048070c1be9acd18c9d369a83f0fe94d7 # v31.8.1
+      - uses: cachix/install-nix-action@456688f15bc354bef6d396e4a35f4f89d40bf2b7 # v31.8.2
         with:
           github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Import GPG key