deskutils/ekphos: Update to 0.50.10

• Update list of build dependencies
• Update WWW address and GH_ACCOUNT (the project has been moved to https://ekphos.nostacks.xyz/ [1])

ChangeLog:

1. https://github.com/hanebox/ekphos/releases/tag/v0.50.0 [1]
2. https://github.com/nostacks/ekphos/releases/tag/v0.50.10

Reported by: han <notifications@github.com>