Depreciate v5litepod terminology for v5e

[Obliviour]

Fixes / Features

• Corrects v5litepod terminology to v5e.

Testing / Documentation

Got the error when creating cluster with v5litepod. Was able to continue in cluster creation with v5e.

• [ y ] Tests pass
• [ y ] Appropriate changes to documentation are included in the PR

This is a breaking change that won't support previous clusters using v5litepod. This needs the cluster to be recreated so that kueue related aspects can be reapplied with the new topology.