Dialyzer failing on CI and locally

[lukaszsamson]

The issue started recently with no relevant code changes on our side

:dialyzer.run error: Analysis failed with error:
done in 0m14.59s
Could not scan the following file(s):
  Could not get Core Erlang code for: /home/runner/.mix/archives/hex-2.0.6/hex-2.0.6/ebin/Elixir.String.Chars.Hex.Solver.Term.beam
  Could not get Core Erlang code for: /home/runner/.mix/archives/hex-2.0.6/hex-2.0.6/ebin/Elixir.String.Chars.Hex.Solver.PackageRange.beam
No :ignore_warnings opt specified in mix.exs. Using default: .dialyzer_ignore.exs.
  Could not get Core Erlang code for: /home/runner/.mix/archives/hex-2.0.6/hex-2.0.6/ebin/Elixir.String.Chars.Hex.Solver.Incompatibility.beam
  Could not get Core Erlang code for: /home/runner/.mix/archives/hex-2.0.6/hex-2.0.6/ebin/Elixir.String.Chars.Hex.Solver.Constraints.Union.beam

...
lib/debugger/server.ex:340:unknown_function
Function :int.all_breaks/1 does not exist.
________________________________________________________________________________
lib/debugger/server.ex:385:unknown_function
Function :int.auto_attach/2 does not exist.
________________________________________________________________________________
lib/debugger/server.ex:387:unknown_function
Function Mix.Project.config/0 does not exist.
________________________________________________________________________________
lib/debugger/server.ex:425:unknown_function
Function :int.attach/2 does not exist.
________________________________________________________________________________
lib/debugger/server.ex:667:unknown_function
Function ElixirSense.Core.Binding.from_var/1 does not exist.
________________________________________________________________________________
lib/debugger/server.ex:674:unknown_function
Function ElixirSense.Providers.Suggestion.Complete.complete/2 does not exist.
...  

This is the last build that passed https://github.com/elixir-lsp/elixir-ls/actions/runs/4762855857

[lukaszsamson]

Possibly related to jeremyjh/dialyxir#508