[Snyk] Security upgrade @slack/client from 4.12.0 to 5.0.0#241

snyk-bot wants to merge 1 commit intov2HSLdevcom/OpenTripPlanner-data-container:v2from

snyk-fix-883016861576fe93993e6e6f4001bbc1HSLdevcom/OpenTripPlanner-data-container:snyk-fix-883016861576fe93993e6e6f4001bbc1Copy head branch name to clipboard