Fix wilson_estimate function to use eos.mixture - #36

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, julia-actions/setup-julia@v2. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Unable to determine the repository root URL for the navbar link. This can happen when a string is passed to the `repo` keyword of `makedocs`. To remove this warning, either pass a Remotes.Remote object to `repo` to completely specify the remote repository, or explicitly set the remote URL by setting `repolink` via `makedocs(format = HTML(repolink = "..."), ...)`.

Consider using `julia-actions/cache` to speed up runs https://github.com/julia-actions/cache To ignore, set input `ignore-no-cache: true`