chore(dashmate): update tenderdash seed

[shumkov]

Issue being fixed or feature implemented

A seed node on digital ocean have changed IP address.

What was done?

• Updated a seed node IP

How Has This Been Tested?

None

Breaking Changes

None

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have added or updated relevant unit/integration/functional/e2e tests
• [x] I have added "!" to the title and described breaking changes in the corresponding section if my code contains any
• [x] I have made corresponding changes to the documentation if needed

For repository code-owners and collaborators only

• [x] I have assigned this pull request to a milestone