Update ci.yml

Add caching for npm

Author: dhritzkiv

.github/workflows/ci.yml

@@ -20,6 +20,7 @@ jobs:
       - uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
+          cache: 'npm'
       - if: startsWith(matrix.os, 'ubuntu')
         run: sudo apt-get install -y build-essential libgl1-mesa-dri libglapi-mesa
                                      libglew-dev libglu1-mesa-dev libosmesa6