Unable to use elixir 1.18 on OTP 25

[lukaszsamson]

The bug

Unable to use elixir 1.18 on OTP 25 with setup-beam action

Software versions

A list of software versions where the bug is apparent, as detailed as possible:

• setup-beam: v1

How to replicate

An ordered list of steps to replicate the bug:

- uses: erlef/setup-beam@v1
   with:
      otp-version: 25.x
      elixir-version: 1.18.x

Installing Erlang/OTP OTP-25.3.2.16 - built on amd64/ubuntu-20.04
Error: Requested Elixir / Erlang/OTP version (1.18.x / 25.x) not found in version list (did you check Compatibility between Elixir and Erlang/OTP?).Elixir and Erlang/OTP compatibility can be found at: https://hexdocs.pm/elixir/compatibility-and-deprecations.html

On OTP 26 and 27 1.18 works as expected

Expected behaviour

elixir 1.18 is supported on OTP 25. See https://hexdocs.pm/elixir/compatibility-and-deprecations.html.