bundle update is broken with Rbenv

[ledestin]

$bundle
Your Ruby version is 2.5.1, but your Gemfile specified 2.3.3

Solution: add .ruby-version file.

[0crat]

@yegor256/z please, pay attention to this issue

[yegor256]

@ledestin fixed in cab5b6c Thanks!

[0crat]

The job #302 assigned to @yegor256/z, here is why; the budget is 30 minutes, see §4; please, read §8 and §9; if the task is not clear, read this and this; we should be aware that @yegor256/z is on vacation; this ticket may be delayed; there will be no monetary reward for this job

[0crat]

Job gh:zold-io/zold#302 already assigned to @yegor256, can't assign to @yegor256

[0crat]

Bug was reported, see §29: +15 point(s) just awarded to @ledestin/z

[0crat]

Manual assignment of issues is discouraged, see §19: -5 point(s) just awarded to @yegor256/z

[0crat]

Order was finished: +30 point(s) just awarded to @yegor256/z

[0crat]

The job #302 is now out of scope