v1.4.0

Improvements

• accept both w3c and honeycomb propagation headers by default (#293) | @vreynolds

Maintenance

• Bump google.golang.org/grpc from 1.40.0 to 1.42.0 (#288) | @dependabot
• Bump github.com/gin-gonic/gin from 1.7.4 to 1.7.7 (#292) | @dependabot

Full Changelog: v1.3.2...v1.4.0