Bump plug_cowboy from 2.7.2 to 2.8.0 in /tests/support/test_server#196

dependabot[bot] wants to merge 1 commit intomainliveview-native/phoenix-channels-client:mainfrom

dependabot/hex/tests/support/test_server/plug_cowboy-2.8.0liveview-native/phoenix-channels-client:dependabot/hex/tests/support/test_server/plug_cowboy-2.8.0Copy head branch name to clipboard