chore(deps): update determinatesystems/magic-nix-cache-action action to v14

Author: renovate[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
         uses: DeterminateSystems/nix-installer-action@v21
 
       - name: Setup Nix cache
-        uses: DeterminateSystems/magic-nix-cache-action@v13
+        uses: DeterminateSystems/magic-nix-cache-action@v14
 
       - name: Run checks
         run: |