Elixir package CI #213

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1 error and 10 warnings

The job was canceled because "latest_27_x" failed.

System.stacktrace/0 is deprecated, use __STACKTRACE__ instead

function upgrade/3 required by behaviour Plug.Conn.Adapter is not implemented (in module Plug.Adapters.Cowboy.Conn)

System.stacktrace/0 is deprecated, use __STACKTRACE__ instead

Supervisor.Spec.worker/3 is deprecated. Use the new child specifications outlined in the Supervisor module instead

Plug.Adapters.Cowboy.http/3 is deprecated. Use Plug.Cowboy.http/3 instead

Plug.Adapters.Cowboy.shutdown/1 is deprecated. Use Plug.Cowboy.shutdown/1 instead

variable "opts" is unused (if the variable is not meant to be used, prefix it with an underscore)

Logger.Formatter.new/1 is undefined or private