Add resolver-backed SocialLinkReplacers for OnlyFans and Fansly - #162

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: xt0rted/dotnet-format-problem-matcher@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/