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

Author: renovate[bot]

.github/workflows/nodejs.yml

@@ -12,7 +12,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macOS-latest]
     steps:
     - name: Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v5.0.0
+      uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
       with:
         node-version: ${{ matrix.node-version }}
     - name: Update npm

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Set up Node.js
-        uses: actions/setup-node@v5.0.0
+        uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
         with:
           node-version: 22.21.0
       - name: Update npm