ci: cache Nix store

Signed-off-by: Sgiath <[email protected]>

Author: Sgiath

.github/workflows/test.yml

@@ -14,6 +14,12 @@ jobs:
       - name: Nix cache
         uses: DeterminateSystems/magic-nix-cache-action@main
 
+      - name: Nix cache
+        uses: actions/cache@v4
+        with:
+          key: nix-store
+          path: /nix/store/
+
       - name: Elixir cache
         uses: actions/cache@v4
         with:
@@ -23,7 +29,7 @@ jobs:
             deps/
             _build/
 
-      - name: Install deps
+      - name: Install Elixir deps
         run: nix develop --command mix deps.get
 
       - name: Run tests