Bump actions/setup-node action to v6

| datasource  | package            | from   | to     |
| ----------- | ------------------ | ------ | ------ |
| github-tags | actions/setup-node | v5.0.0 | v6.0.0 |


Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build.yml

@@ -52,7 +52,7 @@ jobs:
       uses: actions/setup-dotnet@d4c94342e560b34958eacfc5d055d21461ed1c5d # v5.0.0
 
     - name: Setup Node
-      uses: actions/setup-node@a0853c24544627f65ddf259abe73b1d18a591444 # v5.0.0
+      uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
       with:
         node-version: '24'