don't setup node if we're not going to use it

Author: nirinchev

.github/workflows/code-health.yml

@@ -150,11 +150,6 @@ jobs:
       - uses: actions/checkout@v5
         with:
           persist-credentials: false
-      - uses: pnpm/action-setup@v4
-      - uses: actions/setup-node@v6
-        with:
-          node-version-file: package.json
-          cache: "pnpm"
       - name: Install dependencies
         run: |
           sudo apt-get install -y git-secrets