build(deps): bump DeterminateSystems/determinate-nix-action

Bumps [DeterminateSystems/determinate-nix-action](https://github.com/determinatesystems/determinate-nix-action) from 3.8.2 to 3.12.0.
- [Release notes](https://github.com/determinatesystems/determinate-nix-action/releases)
- [Commits](DeterminateSystems/determinate-nix-action@v3.8.2...v3.12.0)

---
updated-dependencies:
- dependency-name: DeterminateSystems/determinate-nix-action
  dependency-version: 3.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/test.yml

@@ -51,7 +51,7 @@ jobs:
               - CHANGELOG.md
               - .github/workflows/test.*
       - if: steps.changes.outputs.template == 'true' 
-        uses: DeterminateSystems/determinate-nix-action@v3.8.2
+        uses: DeterminateSystems/determinate-nix-action@v3.12.0
         with:
           extra-config: accept-flake-config = true
       - if: steps.changes.outputs.template == 'true' 

.github/workflows/update-flake-lock-inputs.yml

@@ -25,7 +25,7 @@ jobs:
           private-key: ${{ secrets.BOT_PRIVATE_KEY }}
       - name: Checkout repository
         uses: actions/checkout@v4
-      - uses: DeterminateSystems/determinate-nix-action@v3.8.2
+      - uses: DeterminateSystems/determinate-nix-action@v3.12.0
         with:
           extra-config: accept-flake-config = true
       - name: Update ${{ matrix.template }} flake.lock ${{ matrix.input }}

.github/workflows/update-flake-lock.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      - uses: DeterminateSystems/determinate-nix-action@v3.8.2
+      - uses: DeterminateSystems/determinate-nix-action@v3.12.0
         with:
           extra-config: accept-flake-config = true
       - name: Read inputs from flake.nix