0crat added closed PR to Scope

[nick318]

PR with problem: yegor256/cactoos#694
Steps:
1 One creates a PR
2 One immediately closes it
3 0crat adds scope label

Expected:
0crat check if PR is closed it does not add label scope.

[0crat]

@yegor256/z please, pay attention to this issue

[amihaiemil]

@nick318 It also assigned it to me for review :)