Added EPW v5.8 keys to the list of Espresso keys based on EPW docs.

Checklist

I am familiar with ASE's contribution guidelines.
[N/A] Doc strings in code changed in this MR are up to date.
[N/A] Unit tests have been added for new or changed code.
[N/A] Issue is resolved via "closes #XXXX" if applicable.

Edited Jul 15, 2024 by Hironori Kondo