only stop and unload project apps #1055

Job	Run time
static analysis (Elixir 1.15.x \| Erlang/OTP 25.x)	25s
mix test windows (Elixir 1.13.x \| Erlang/OTP 22.x)	9m 9s
mix test windows (Elixir 1.13.x \| Erlang/OTP 23.x)	9m 58s
mix test (Elixir 1.13.x \| Erlang/OTP 22.x)	5m 34s
mix test windows (Elixir 1.13.x \| Erlang/OTP 24.x)	7m 46s
mix test (Elixir 1.13.x \| Erlang/OTP 23.x)	6m 47s
mix test windows (Elixir 1.13.x \| Erlang/OTP 25.x)	7m 37s
mix test (Elixir 1.13.x \| Erlang/OTP 24.x)	4m 35s
mix test windows (Elixir 1.14.x \| Erlang/OTP 23.x)	10m 31s
mix test (Elixir 1.13.x \| Erlang/OTP 25.x)	4m 12s
mix test windows (Elixir 1.14.x \| Erlang/OTP 24.x)	7m 40s
mix test (Elixir 1.14.x \| Erlang/OTP 23.x)	6m 42s
mix test windows (Elixir 1.14.x \| Erlang/OTP 25.x)	5m 24s
mix test (Elixir 1.14.x \| Erlang/OTP 24.x)	5m 25s
mix test windows (Elixir 1.15.x \| Erlang/OTP 24.x)	8m 14s
mix test (Elixir 1.14.x \| Erlang/OTP 25.x)	4m 18s
mix test windows (Elixir 1.15.x \| Erlang/OTP 25.x)	6m 40s
mix test (Elixir 1.15.x \| Erlang/OTP 24.x)	4m 25s
mix test (Elixir 1.15.x \| Erlang/OTP 25.x)	4m 28s
	1h 59m 50s

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