chore(deps): Bump DeterminateSystems/magic-nix-cache-action from 2 to 3

Bumps [DeterminateSystems/magic-nix-cache-action](https://github.com/determinatesystems/magic-nix-cache-action) from 2 to 3.
- [Release notes](https://github.com/determinatesystems/magic-nix-cache-action/releases)
- [Commits](DeterminateSystems/magic-nix-cache-action@v2...v3)

---
updated-dependencies:
- dependency-name: DeterminateSystems/magic-nix-cache-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/cache.yml

@@ -41,7 +41,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@v9
         with:
           diagnostic-endpoint: ""
-      - uses: DeterminateSystems/magic-nix-cache-action@v2
+      - uses: DeterminateSystems/magic-nix-cache-action@v3
         with:
           diagnostic-endpoint: ""
       - uses: cachix/cachix-action@v13

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
         with:
           diagnostic-endpoint: ""
       - name: Enable Nix Store Caching
-        uses: DeterminateSystems/magic-nix-cache-action@v2
+        uses: DeterminateSystems/magic-nix-cache-action@v3
         with:
           diagnostic-endpoint: ""
       - run: nix -L flake check --all-systems
@@ -39,7 +39,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@v9
         with:
           diagnostic-endpoint: ""
-      - uses: DeterminateSystems/magic-nix-cache-action@v2
+      - uses: DeterminateSystems/magic-nix-cache-action@v3
         with:
           diagnostic-endpoint: ""
       - uses: cachix/cachix-action@v13