Fix hexdocs link for module under different package #1007

Job	Run time
static analysis (Elixir 1.15.x \| Erlang/OTP 25.x)	25s
mix test (Elixir 1.13.x \| Erlang/OTP 22.x)	6m 4s
mix test (Elixir 1.13.x \| Erlang/OTP 23.x)	5m 39s
mix test (Elixir 1.13.x \| Erlang/OTP 24.x)	4m 1s
mix test (Elixir 1.13.x \| Erlang/OTP 25.x)	3m 41s
mix test (Elixir 1.14.x \| Erlang/OTP 23.x)	6m 42s
mix test (Elixir 1.14.x \| Erlang/OTP 24.x)	4m 9s
mix test (Elixir 1.14.x \| Erlang/OTP 25.x)	4m 16s
mix test (Elixir 1.15.x \| Erlang/OTP 24.x)	4m 16s
mix test (Elixir 1.15.x \| Erlang/OTP 25.x)	3m 40s
mix test windows (Elixir 1.13.x \| Erlang/OTP 22.x)	8m 17s
mix test windows (Elixir 1.13.x \| Erlang/OTP 23.x)	7m 45s
mix test windows (Elixir 1.13.x \| Erlang/OTP 24.x)	6m 20s
mix test windows (Elixir 1.13.x \| Erlang/OTP 25.x)	5m 8s
mix test windows (Elixir 1.14.x \| Erlang/OTP 23.x)	7m 47s
mix test windows (Elixir 1.14.x \| Erlang/OTP 24.x)	6m 8s
mix test windows (Elixir 1.14.x \| Erlang/OTP 25.x)	5m 7s
mix test windows (Elixir 1.15.x \| Erlang/OTP 24.x)	6m 14s
mix test windows (Elixir 1.15.x \| Erlang/OTP 25.x)	5m 27s
	1h 41m 6s

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