unavaible install latest version (1.18.4-otp-28)

```
asdf install elixir latest

==> Checking whether specified Elixir release exists...
==> Elixir version not found.

Hex.pm returned a 404 for the following URL:

https://builds.hex.pm/builds/elixir/v1.18.4-otp-28.zip

You can view a list of all Elixir releases by running 'asdf list-all elixir'.

Note: If you want to download a specific release of Elixir, please
specify the full version number (e.g. 1.2.1 instead of 1.3).
```

```
asdf list-all elixir

1.18.0
1.18.0-otp-25
1.18.0-otp-26
1.18.0-otp-27
1.18.0-rc.0
1.18.0-rc.0-otp-25
1.18.0-rc.0-otp-26
1.18.0-rc.0-otp-27
1.18.1
1.18.1-otp-25
1.18.1-otp-26
1.18.1-otp-27
1.18.2
1.18.2-otp-25
1.18.2-otp-26
1.18.2-otp-27
1.18.3
1.18.3-otp-25
1.18.3-otp-26
1.18.3-otp-27
1.18.4
1.18.4-otp-25
1.18.4-otp-26
1.18.4-otp-27
main
main-otp-22
main-otp-23
main-otp-24
main-otp-25
main-otp-26
main-otp-27
main-otp-28
master
master-otp-21
master-otp-22
master-otp-23
master-otp-24
```

Reproduce the problem with `asdf install elixir latest` and compare its result with `asdf list-all elixir`. Inspect how the plugin resolves `latest` and constructs the Hex.pm URL for Elixir releases, then verify that the reported 1.18.4-otp-28 case is handled consistently with the versions listed by the plugin.

Written by the indexing model from the issue text.