meta: bump actions/setup-node from 6.3.0 to 6.4.0 (nodejs#8856)

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](actions/setup-node@53b8394...48b55a0)

---
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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/tmp-cloudflare-open-next-deploy.yml

@@ -43,7 +43,7 @@ jobs:
         uses: pnpm/action-setup@fc06bc1257f339d1d5d8b3a19a8cae5388b55320 # v5.0.0
 
       - name: Set up Node.js
-        uses: actions/setup-node@53b83947a5a98c8d113130e565377fae1a50d02f # v6.3.0
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           # We want to ensure that the Node.js version running here respects our supported versions
           node-version-file: '.nvmrc'