build(deps): bump cachix/install-nix-action from 31.11.0 to 31.11.1 (#320)

Bumps [cachix/install-nix-action](https://github.com/cachix/install-nix-action) from 31.11.0 to 31.11.1.
- [Release notes](https://github.com/cachix/install-nix-action/releases)
- [Changelog](https://github.com/cachix/install-nix-action/blob/master/RELEASE.md)
- [Commits](cachix/install-nix-action@630ae54...13d8dd5)

---
updated-dependencies:
- dependency-name: cachix/install-nix-action
  dependency-version: 31.11.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/flake-update.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install Nix
-        uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342 # v31.11.0
+        uses: cachix/install-nix-action@13d8dd58da0234aa297dedd986986ccb8e7f3e24 # v31.11.1
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Install Nix
-        uses: cachix/install-nix-action@630ae543ea3a38a9a4166f03376c02c50f408342 # v31.11.0
+        uses: cachix/install-nix-action@13d8dd58da0234aa297dedd986986ccb8e7f3e24 # v31.11.1
         with:
           extra_nix_config: |
             access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}