Update shapeless to 2.3.4#269

scala-steward wants to merge 1 commit intoThoughtWorksInc:3.0.xThoughtWorksInc/DeepLearning.scala:3.0.xfrom

scala-steward:update/shapeless-2.3.4scala-steward/DeepLearning.scala:update/shapeless-2.3.4Copy head branch name to clipboard