Bump @types/node from 26.2.0 to 26.4.0 in /actions/setup/js

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 26.2.0 to 26.4.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-version: 26.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

actions/setup/js/package-lock.json

@@ -8,7 +8,7 @@
     "@actions/glob": "^0.7.0",
     "@actions/io": "^3.0.2",
     "@github/copilot-sdk": "^1.0.11",
-    "@types/node": "^26.2.0",
+    "@types/node": "^26.4.0",
     "@vitest/coverage-v8": "^4.1.11",
     "@vitest/ui": "^4.1.10",
     "minimatch": ">=10.2.6",