fix(action): remove invalid npm cache config in composite action

Author: optimusbuilder

action.yml

@@ -16,8 +16,6 @@ runs:
       uses: actions/setup-node@v4
       with:
         node-version: '20'
-        cache: npm
-        cache-dependency-path: ${{ github.action_path }}/package-lock.json
     - name: Build Contractbot
       shell: bash
       run: npm ci --prefix "$GITHUB_ACTION_PATH" && npm run build --prefix "$GITHUB_ACTION_PATH"