build(deps): bump actions/setup-node from 6.3.0 to 6.4.0 (#36518)

Bumps [actions/setup-node](https://github.com/actions/setup-node) from 6.3.0 to 6.4.0.
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](https://github.com/actions/setup-node/compare/53b83947a5a98c8d113130e565377fae1a50d02f...48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-version: 6.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

.github/workflows/ci-update.yml

@@ -126,7 +126,7 @@ jobs:
           ref: '4d29f59abac6aeed6fbc2467e24fc17560057bcb' # 3.0.1 commit ID
       - name: 'Setup Node.js'
         if: needs.get-chart.outputs.values-updated == 'true' && github.event.action != 'edited'
-        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e
         with:
           node-version: '24.x'
       - name: 'Get npm cache directory'