chore: unpin Node.js 25.x in CI (#122)

* Initial plan

* chore: unpin Node.js 25.x in CI

Co-authored-by: fasttime <6367844+fasttime@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: fasttime <6367844+fasttime@users.noreply.github.com>
Co-authored-by: Francesco Trotta <github@fasttime.org>

Author: Copilot

.github/workflows/build.yml

@@ -42,7 +42,7 @@ jobs:
         strategy:
             matrix:
                 os: [ubuntu-latest]
-                node: ["25.6.1", 24.x, 22.x, 20.x, "20.19.0"]
+                node: [25.x, 24.x, 22.x, 20.x, "20.19.0"]
                 include:
                     - os: windows-latest
                       node: "lts/*"