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

Author: renovate[bot]

.github/workflows/build.yml

@@ -24,7 +24,7 @@ jobs:
           fetch-depth: 0
       - uses: pnpm/action-setup@v4.2.0
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
           cache: pnpm

.github/workflows/release.yml

@@ -28,7 +28,7 @@ jobs:
           fetch-depth: 0
       - uses: pnpm/action-setup@v4.2.0
       - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v6
         with:
           node-version: 22.x
           cache: pnpm