ci: bump actions/setup-node

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


Updates `actions/setup-node` from 7.0.0 to 7.1.0
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/v7...949feb2413d6458794dcd2491c4babbbce0c15c1)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: 7.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-minor-patch
...

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

.github/workflows/validate_discussion.yml

@@ -23,7 +23,7 @@ jobs:
           private_key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: Setup Node.js
-        uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7.0.0
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
           node-version: 22
           cache: 'npm'