Bump DeterminateSystems/nix-installer-action from 16 to 23

Bumps [DeterminateSystems/nix-installer-action](https://github.com/determinatesystems/nix-installer-action) from 16 to 23.
- [Release notes](https://github.com/determinatesystems/nix-installer-action/releases)
- [Commits](DeterminateSystems/nix-installer-action@v16...v23)

---
updated-dependencies:
- dependency-name: DeterminateSystems/nix-installer-action
  dependency-version: '23'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/cachix-upload.yml

@@ -37,7 +37,7 @@ jobs:
         with:
           fetch-depth: 0
       - name: Setup Nix
-        uses: DeterminateSystems/nix-installer-action@v16
+        uses: DeterminateSystems/nix-installer-action@v23
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           extra-conf: |

.github/workflows/flakehub-publish.yaml

@@ -11,7 +11,7 @@ jobs:
       contents: 'read'
     steps:
       - uses: 'actions/checkout@v7'
-      - uses: 'DeterminateSystems/nix-installer-action@v16'
+      - uses: 'DeterminateSystems/nix-installer-action@v23'
       - uses: 'DeterminateSystems/flakehub-push@v5'
         with:
           name: 'VijayakumarRavi/vjvim'