Update specs2-core to 4.13.1 in series/1.x#231

sh0hei merged 1 commit intotypelevel:series/1.xtypelevel/cats-effect-testing:series/1.xfrom

scala-steward:update/series/1.x/specs2-core-4.13.1scala-steward/cats-effect-testing:update/series/1.x/specs2-core-4.13.1Copy head branch name to clipboard