Bump ethers to version 5.8.0 for ws vulnerability

[AntonioVentilii]

Hello team!

I already opened a feature request to bump ethers to v6, but since it seems a long work, can you please bump ethers dependency to v5.8.0 and release? It solves a vulnerability issue in ws sub-dependency.

[AntonioVentilii]

@GregoryElliott @vahnag may you please have a look at this one?

[AntonioVentilii]

@Brodan @ddgromit may you please have a look at this one?

[AntonioVentilii]

@SahilAujla

[SahilAujla]

cc: @stanleyjones

[AntonioVentilii]

@thebrianchen @stanleyjones @vahnag I see that you are actually active at some level (PRs being reviewed and merged). May please please please please somebody have a real look at this topics? All of them are quite relevant to this library