canonical sandbox is broken

See #362, release log:

• 573c97a by @yegor256: #362 badge
• bf1504d by @yegor256: #362 paths
• 5df513d by @yegor256: #362 action
• 34c8d5e by @yegor256: #362 fixed
• 2dcc5d3 by @yegor256: rename

Released by Rultor 1.70.6, see build log