Fixes the following namcap warning:

> mattermost-desktop E: Apache is not a valid SPDX license identifier.
> See https://spdx.org/licenses/ for valid identifiers, or prefix the
> identifier with 'LicenseRef-', if it is custom.

Raphael Nestler authored 1 year ago and Caleb Maclennan committed 1 year ago

* Depend on electron27
  See https://docs.mattermost.com/deploy/desktop-app-changelog.html#release-v5-6

* Add makedepends on nodejs-lts-iron
  The build fails with nodejs 21.

...Because the Electron codebase is foobared and has code paths that load the
libraries even before doing platform detection and knowing it doesn't need
them.