Upgrade sbt-coveralls from 1.3.5 to 1.3.15#247

scala-steward wants to merge 1 commit intobrbrown25:masterbrbrown25/macros:masterfrom

scala-steward:update/sbt-coveralls-1.3.15scala-steward/macros:update/sbt-coveralls-1.3.15Copy head branch name to clipboard