fix: add lsp logging when failing to find an elixir executable #186

Job	Run time
Dialyzer - engine	2m 30s
Dialyzer - forge	38s
Static analysis - expert	34s
Static analysis - engine	29s
Dialyzer - expert_credo	2m 38s
Dialyzer - expert	2m 22s
Static analysis - expert_credo	58s
Release test (macos-13)	3m 25s
prep-matrix	5s
Static analysis - forge	25s
Release test (macos-14)	1m 27s
Release test (ubuntu-latest)	1m 57s
Test expert_credo on OTP 26 / Elixir 1.18	41s
Test engine on OTP 28 / Elixir 1.18.4	1m 34s
Test engine on OTP 26 / Elixir 1.17	1m 29s
Test engine on OTP 27 / Elixir 1.18	1m 37s
Test expert_credo on OTP 27 / Elixir 1.18	21s
Test expert_credo on OTP 28 / Elixir 1.18.4	42s
Test expert_credo on OTP 26 / Elixir 1.17	42s
Test expert_credo on OTP 26 / Elixir 1.16	44s
Test engine on OTP 26 / Elixir 1.16	1m 32s
Test forge on OTP 26 / Elixir 1.18	46s
Test engine on OTP 27 / Elixir 1.17	1m 35s
Test forge on OTP 26 / Elixir 1.17	53s
Test expert_credo on OTP 27 / Elixir 1.17	43s
Test forge on OTP 26 / Elixir 1.16	51s
Test engine on OTP 26 / Elixir 1.18	1m 32s
Test forge on OTP 27 / Elixir 1.18	52s
Test expert on OTP 27.3.4.1 / Elixir 1.17.3	2m 35s
Test forge on OTP 28 / Elixir 1.18.4	50s
Test forge on OTP 27 / Elixir 1.17	49s
	38m 16s

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