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

Author: renovate[bot]

.github/workflows/release.yml

@@ -41,7 +41,7 @@ jobs:
         run: npm i -g corepack@latest --force && corepack enable
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 24.11.1
           cache: "pnpm"

.github/workflows/test.yml

@@ -24,7 +24,7 @@ jobs:
         run: npm i -g corepack@latest --force && corepack enable
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 24.11.1
           cache: "pnpm"