Add support for 1.19 'not in' token #1477

Job	Run time
Smoke test debug adapter (Elixir 1.15.x \| OTP 26.x)	1m 5s
Smoke test debug adapter (Elixir 1.17.x \| OTP 27.x)	1m 6s
Smoke test debug adapter (Elixir 1.16.x \| OTP 26.x)	1m 3s
Static analysis	22s
Smoke test language server (Elixir 1.16.x \| OTP 26.x)	2m 59s
Smoke test debug adapter (Elixir 1.18.x \| OTP 27.x)	1m 5s
Smoke test debug adapter (Elixir 1.19.x \| OTP 28.x)	1m 8s
Smoke test language server (Elixir 1.18.x \| OTP 27.x)	3m 5s
Smoke test language server (Elixir 1.19.x \| OTP 28.x)	3m 17s
Smoke test language server (Elixir 1.17.x \| OTP 27.x)	2m 57s
Smoke test language server (Elixir 1.15.x \| OTP 26.x)	3m 1s
Compatibility test (Elixir 1.15.x \| OTP 24.x \| windows-2022)	5m 0s
Compatibility test (Elixir 1.17.x \| OTP 25.x \| ubuntu-22.04)	3m 20s
Compatibility test (Elixir 1.15.x \| OTP 24.x \| ubuntu-22.04)	3m 49s
Compatibility test (Elixir 1.17.x \| OTP 25.x \| windows-2022)	4m 23s
Compatibility test (Elixir 1.16.x \| OTP 24.x \| windows-2022)	4m 54s
Compatibility test (Elixir 1.18.x \| OTP 25.x \| ubuntu-22.04)	3m 32s
Compatibility test (Elixir 1.18.x \| OTP 25.x \| windows-2022)	4m 31s
Compatibility test (Elixir 1.16.x \| OTP 24.x \| ubuntu-22.04)	3m 39s
Compatibility test (Elixir 1.19.x \| OTP 26.x \| windows-2022)	5m 18s
Compatibility test (Elixir 1.19.x \| OTP 26.x \| ubuntu-22.04)	3m 32s
Compatibility test (Elixir 1.19.x \| OTP 28.x \| windows-2022)	2m 16s
	1h 5m 22s

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