Upgrade libraries com.datadoghq, io.flow

[shawncruz]

• com.datadoghq
  • dd-java-agent (1.14.0 => 1.15.3)
• io.flow
  • lib-event-sync-play28 (0.6.10 => 0.6.17)
  • lib-log (0.1.94 => 0.1.95)
  • lib-metrics-play28 (1.0.55 => 1.0.57)
  • lib-play-play28 (0.7.69 => 0.7.71)
  • lib-test-utils-play28 (0.2.0 => 0.2.1)
  • lib-usage-play28 (0.2.19 => 0.2.22)
  • sbt-flow-linter (0.0.37 => 0.0.38)