testing/vcstool: upgrade to 0.3.0
https://github.com/dirk-thomas/vcstool/releases/tag/0.3.0 and checksum update was blocked on !24713 (merged)
This MR enabling all arches as mercurial fixed
Edited by Andy Postnikov
https://github.com/dirk-thomas/vcstool/releases/tag/0.3.0 and checksum update was blocked on !24713 (merged)
This MR enabling all arches as mercurial fixed