Dbg backend for debugger #1013

Job	Run time
static analysis (Elixir 1.15.x \| Erlang/OTP 25.x)	17s
mix test windows (Elixir 1.13.x \| Erlang/OTP 22.x)	2m 23s
mix test windows (Elixir 1.13.x \| Erlang/OTP 23.x)	2m 16s
mix test windows (Elixir 1.13.x \| Erlang/OTP 24.x)	2m 4s
mix test windows (Elixir 1.13.x \| Erlang/OTP 25.x)	2m 9s
mix test windows (Elixir 1.14.x \| Erlang/OTP 23.x)	2m 24s
mix test windows (Elixir 1.14.x \| Erlang/OTP 24.x)	2m 26s
mix test windows (Elixir 1.14.x \| Erlang/OTP 25.x)	2m 13s
mix test windows (Elixir 1.15.x \| Erlang/OTP 24.x)	2m 14s
mix test windows (Elixir 1.15.x \| Erlang/OTP 25.x)	2m 15s
mix test (Elixir 1.13.x \| Erlang/OTP 22.x)	1m 11s
mix test (Elixir 1.13.x \| Erlang/OTP 23.x)	1m 36s
mix test (Elixir 1.13.x \| Erlang/OTP 24.x)	1m 20s
mix test (Elixir 1.13.x \| Erlang/OTP 25.x)	1m 15s
mix test (Elixir 1.14.x \| Erlang/OTP 23.x)	1m 28s
mix test (Elixir 1.14.x \| Erlang/OTP 24.x)	1m 19s
mix test (Elixir 1.14.x \| Erlang/OTP 25.x)	1m 26s
mix test (Elixir 1.15.x \| Erlang/OTP 24.x)	46s
mix test (Elixir 1.15.x \| Erlang/OTP 25.x)	1m 22s
	32m 24s

Provide feedback