chore: set 4.8.0 release version number

[Benmuiruri]

Description

Set the 4.8.0 version in package.json

Code review checklist

• Readable: Concise, well named, follows the style guide, documented if necessary.
• Documented: Configuration and user documentation on cht-docs
• Tested: Unit and/or e2e where appropriate
• Internationalised: All user facing text
• Backwards compatible: Works with existing data and configuration or includes a migration. Any breaking changes documented in the release notes.

Compose URLs

If Build CI hasn't passed, these may 404:

• Core
• CouchDB Single
• CouchDB Cluster

License

The software is provided under AGPL-3.0. Contributions to this project are accepted under the same license.

[Benmuiruri]

I am closing this PR because having the branch name with the version number was causing the CI to fail and holding up the release. I have opened another Pull Request