chore: repoint URLs at git.swaits.com and bump for release

Rewrites remaining github.com / git.sr.ht references to git.swaits.com,
translating GitHub URL shapes to Gitea's (/blob/<ref>/ -> /src/branch/<ref>/,
/tree/<tag> -> /src/tag/<tag>, /actions/workflows/X -> /actions?workflow=X,
/edit/ -> /_edit/).

Left pointing at GitHub on purpose: pull-request links (PRs were not migrated)
and GitHub-only surfaces Gitea lacks (security advisories, discussions).

README.md

@@ -174,7 +174,7 @@ Adding some detail to these three fields:
 To run the example, first clone the repository locally:
 
 ```bash
-git clone https://git.sr.ht/~swaits/vivaldi-nc
+git clone https://git.swaits.com/swaits/vivaldi-nc
 ```
 
 Then `cd` into the local clone and run the example: