Elixir 1.16 support #439

Job	Run time
static analysis (Elixir 1.15.x \| Erlang/OTP 26.x)	13s
mix test windows (Elixir 1.13.x \| Erlang/OTP 22.x)	1m 16s
mix test (Elixir 1.12.x \| Erlang/OTP 22.x)	39s
mix test windows (Elixir 1.13.x \| Erlang/OTP 23.x)	1m 36s
mix test (Elixir 1.12.x \| Erlang/OTP 23.x)	45s
mix test windows (Elixir 1.13.x \| Erlang/OTP 24.x)	1m 32s
mix test (Elixir 1.12.x \| Erlang/OTP 24.x)	41s
mix test windows (Elixir 1.13.x \| Erlang/OTP 25.x)	1m 32s
mix test (Elixir 1.13.x \| Erlang/OTP 22.x)	41s
mix test windows (Elixir 1.14.x \| Erlang/OTP 23.x)	1m 54s
mix test (Elixir 1.13.x \| Erlang/OTP 23.x)	45s
mix test (Elixir 1.13.x \| Erlang/OTP 24.x)	44s
mix test windows (Elixir 1.14.x \| Erlang/OTP 24.x)	1m 42s
mix test (Elixir 1.13.x \| Erlang/OTP 25.x)	43s
mix test windows (Elixir 1.14.x \| Erlang/OTP 25.x)	1m 33s
mix test (Elixir 1.14.x \| Erlang/OTP 23.x)	46s
mix test windows (Elixir 1.14.x \| Erlang/OTP 26.x)	1m 39s
mix test windows (Elixir 1.15.x \| Erlang/OTP 24.x)	1m 29s
mix test (Elixir 1.14.x \| Erlang/OTP 24.x)	39s
mix test windows (Elixir 1.15.x \| Erlang/OTP 25.x)	1m 19s
mix test (Elixir 1.14.x \| Erlang/OTP 25.x)	40s
mix test windows (Elixir 1.15.x \| Erlang/OTP 26.x)	1m 35s
mix test (Elixir 1.14.x \| Erlang/OTP 26.x)	40s
mix test (Elixir 1.15.x \| Erlang/OTP 24.x)	39s
mix test (Elixir 1.15.x \| Erlang/OTP 25.x)	38s
mix test (Elixir 1.15.x \| Erlang/OTP 26.x)	39s
	26m 59s

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