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

Author: renovate[bot]

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Setup Nodejs
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version-file: '.nvmrc'
     - name: Install dependencies

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
     - name: Setup Nodejs Env
       run: echo "NODE_VER=`cat .nvmrc`" >> $GITHUB_ENV
     - name: Setup Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: ${{ env.NODE_VER }}
     - name: Install dependencies