ci: bump actions/setup-node (#21)

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


Updates `actions/setup-node` from 6.5.0 to 7.1.0
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@2499707...949feb2)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -30,7 +30,7 @@ jobs:
           persist-credentials: false
 
       - name: Set up Node.js
-        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
           node-version: '22'
           cache: npm

.github/workflows/publish-open-vsx.yml

@@ -23,7 +23,7 @@ jobs:
 
     steps:
       - name: Set up Node.js
-        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 # v6
+        uses: actions/setup-node@949feb2413d6458794dcd2491c4babbbce0c15c1 # v7.1.0
         with:
           node-version: '22'