multimedia/go2tv: Update to 2.6.0
ChangeLog:
- https://github.com/alexballas/go2tv/releases/tag/v2.4.0
- https://github.com/alexballas/go2tv/releases/tag/v2.5.0
- https://github.com/alexballas/go2tv/releases/tag/v2.6.0
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