chore(deps): update actions/setup-node action to v6

Author: renovate[bot]

.github/workflows/ci.yml

@@ -20,7 +20,7 @@ jobs:
         python-version: ${{ matrix.python-version }}
         architecture: x64
     - name: Setup Nodejs
-      uses: actions/setup-node@v5
+      uses: actions/setup-node@v6
       with:
         node-version-file: '.nvmrc'