Fix: Use identical node cache in actions

.github/workflows/main-build-deploy-GH.yml

@@ -8,6 +8,9 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
+env:
+  NODE_VERSION: 18
+
 # Sets the GITHUB_TOKEN permissions to allow deployment to GitHub Pages
 permissions:
   contents: read
@@ -32,10 +35,17 @@ jobs:
       - name: Set up Node
         uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: ${{ env.NODE_VERSION }}
           cache: 'yarn'
+      - name: Cache dependencies
+        id: node-modules-cache
+        uses: actions/cache@v3
+        with:
+          path: node_modules
+          key: ${{ runner.os }}-${{ env.NODE_VERSION }}-node_modules-${{ hashFiles('**/yarn.lock') }}
       - name: Install dependencies
-        run: yarn install
+        run: yarn install --frozen-lockfile
+        if: steps.node-modules-cache.outputs.cache-hit != 'true'
       - name: Compile WASM
         run: yarn wasm
       - name: Build