mod+cmd/frcli: bump lnd version to v0.17.0-beta

[guggero]

Prepares everything to update to lnd v0.17.0-beta once the final release is out (we'll want to wait with merging this until then).

Pull Request Checklist

• [ ] Update MinLndVersion if your PR uses new RPC methods or fields of lnd.

[guggero]

Bumped to final version lnd v0.17.0-beta, will merge after green CI.