Update DeterminateSystems/magic-nix-cache-action action to v13

Author: renovate[bot]

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
     steps:
       - uses: actions/[email protected]
       - uses: DeterminateSystems/nix-installer-action@v16
-      - uses: DeterminateSystems/magic-nix-cache-action@v8
+      - uses: DeterminateSystems/magic-nix-cache-action@v13
       - run: nix flake check
       - run: nix build --print-build-logs .#helloWorld
       - run: nix build --print-build-logs .#springBoot