getting the tag list does not require being signed in (#24413)

Fixes: https://codeberg.org/forgejo/forgejo/issues/681

routers/web/web.go

@@ -1093,7 +1093,7 @@ func registerRoutes(m *web.Route) {
 			repo.MustBeNotEmpty, reqRepoCodeReader, context.RepoRefByType(context.RepoRefTag, true))
 		m.Post("/tags/delete", repo.DeleteTag, reqSignIn,
 			repo.MustBeNotEmpty, context.RepoMustNotBeArchived(), reqRepoCodeWriter, context.RepoRef())
-	}, reqSignIn, context.RepoAssignment, context.UnitTypes())
+	}, ignSignIn, context.RepoAssignment, context.UnitTypes())
 
 	// Releases
 	m.Group("/{username}/{reponame}", func() {