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

Author: renovate[bot]

.github/workflows/cli-docs.yml

@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: '20'
           cache: 'npm'

.github/workflows/publish.yml

@@ -29,7 +29,7 @@ jobs:
         with:
           token: ${{ steps.ci_bot_token.outputs.token }}
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: "22"
           registry-url: "https://registry.npmjs.org"

.github/workflows/smoke.yml

@@ -16,7 +16,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
           node-version: 18
           cache: npm

.github/workflows/validate-code.yml

@@ -23,7 +23,7 @@ jobs:
         run: sudo apt-get update && sudo apt-get install -y libsecret-1-0
 
       - name: Set up Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 18
           cache: "npm"