Merge pull request #956 from appsignal/latest-elixir-and-erlang-on-ci #103

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10 warnings

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

Application.get_env/3 is discouraged in the module body, use Application.compile_env/3 instead

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

System.stacktrace/0 is deprecated. Use __STACKTRACE__ 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

:simple_one_for_one strategy is deprecated, please use DynamicSupervisor instead

use of operator == has no effect

unused alias Repo

function has_attribute?/1 is unused