Pre-release versions are incorrectly published in AUR

[relu]

Describe the bug

User report from: https://aur.archlinux.org/packages/flux-bin#comment-909264

Log from yay:

==> Retrieving sources...
  -> Downloading flux-bin-2.0.0rc.1.tar.gz...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     9    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
curl: (22) The requested URL returned error: 404
==> ERROR: Failure while downloading https://github.com/fluxcd/flux2/releases/download/v2.0.0rc.1/flux_2.0.0rc.1_linux_amd64.tar.gz
    Aborting...

It looks like the pre-release part of the version is incorrectly parsed.

Steps to reproduce

Attempt to install flux-bin from AUR on Archlinux

Expected behavior

The package should reference the correct version.

Screenshots and recordings

No response

OS / Distro

Archlinux

Flux version

v2.0.0-rc.1

Flux check

N/A

Git provider

No response

Container Registry provider

No response

Additional context

No response

Code of Conduct

• I agree to follow this project's Code of Conduct