docs(releaser): fix Geekdoc edit link for Gitea

Gitea uses /_edit/ instead of /edit/ in its file editor URLs. Change
geekdocEditPath from "edit/main/docs/content" to "_edit/main/docs/content"
so the "Edit this page" links resolve correctly.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docs/hugo.toml

@@ -15,7 +15,7 @@ pygmentsCodeFences = true
 [params]
   geekdocLogo = "images/releaser-logo-1024.png"
   geekdocRepo = "https://git.k3nny.fr/k3nny/releaser"
-  geekdocEditPath = "edit/main/docs/content"
+  geekdocEditPath = "_edit/main/docs/content"
   geekdocSearch = true
   geekdocMenuBundle = true
   geekdocBreadcrumb = false