ci: bump actions/setup-node from 6 to 6.3.0 in the actions group

Bumps the actions group with 1 update: [actions/setup-node](https://github.com/actions/setup-node).


Updates `actions/setup-node` from 6 to 6.3.0
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v6...v6.3.0)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: 6.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -111,7 +111,7 @@ jobs:
 
     - name: Set up Node.js
       if: contains(matrix.features, 'wasm') && (matrix.run-wasm-test || !inputs.run-test)
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@v6.3.0
       with:
         node-version: 24
         cache: npm

.github/workflows/release.yml

@@ -108,7 +108,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Set up Node
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v6.3.0
         with:
           node-version: 24
           registry-url: https://registry.npmjs.org