fix(main): correct formatting and improve readability in main.go

cmd/anubis/main.go

@@ -145,7 +145,7 @@ func parseBindNetFromAddr(address string) (string, string) {
 	return "", address
 }
 
-func parseSameSite(s string) (http.SameSite) {
+func parseSameSite(s string) http.SameSite {
 	switch strings.ToLower(s) {
 	case "none":
 		return http.SameSiteNoneMode