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

Author: renovate[bot]

.github/workflows/main.yml

@@ -31,7 +31,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
           cache: "npm"
@@ -68,7 +68,7 @@ jobs:
           persist-credentials: false
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
           cache: "npm"