G-Support Bot Application v3.1.0

What's Changed

• Use .NET8 by @pmosk in #41
• Fix publish.yml by @pmosk in #42
• Fix github workflows by @pmosk in #43
• Use separate services by @pmosk in #44
• Get last 6 customers by default by @pmosk in #45
• Improve Get contacts logic by @pmosk in #46
• Feature/improve owner get by @pmosk in #47
• Not to show disabled users by @pmosk in #48

Full Changelog: v3.0.1...v3.1.0