Update rust cache

.github/workflows/ci.yaml

@@ -64,14 +64,22 @@ jobs:
           toolchain: nightly
           targets: x86_64-unknown-linux-gnu
 
+      - name: Install rust nightly
+        run: rustup toolchain install nightly --profile minimal --no-self-update
+
+
+      - name: Set up cargo cache
+        uses: Swatinem/rust-cache@v2
+        with:
+          workspaces: |
+            node -> .test-node-subtree
+            tests
+
       - name: Use Node.js
         uses: actions/setup-node@v3
         with:
           node-version: 18.18.0
 
-      - name: Set up cargo cache
-        uses: Swatinem/rust-cache@v2
-
       - name: Install dependencies and build node
         uses: awalsh128/cache-apt-pkgs-action@latest
         with: