Elixir 1.20.0-rc.2 build not available

[sabiwara]

Running with mise:

$ mise install elixir@1.20.0-rc.2
elixir@1.20.0-rc.2 download v1.20.0-rc.2.zip                                                                                                                                                     ◞
mise ERROR Failed to install core:elixir@1.20.0-rc.2: HTTP status client error (404 ) for url (https://builds.hex.pm/builds/elixir/v1.20.0-rc.2.zip)
mise ERROR Run with --verbose or MISE_VERBOSE=1 for more information

Previous RCs were working properly.

[ericmj]

This is managed by Elixir CI now. Fix here: elixir-lang/elixir#15139.