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

Author: renovate[bot]

.github/workflows/build.yml

@@ -44,7 +44,7 @@ jobs:
       - uses: pnpm/action-setup@v2
         with:
           version: 8.15.9
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: 22.20.0
           cache: pnpm

.github/workflows/release.yml

@@ -27,7 +27,7 @@ jobs:
       - uses: pnpm/action-setup@v2
         with:
           version: 8.15.9
-      - uses: actions/setup-node@v5
+      - uses: actions/setup-node@v6
         with:
           node-version: 22.20.0
           cache: pnpm