chore: use gofumpt for code formatting

internal/shadowsocks/state.go

@@ -34,7 +34,8 @@ func (l *Loop) GetStatus() (status models.LoopStatus) {
 var ErrInvalidStatus = errors.New("invalid status")
 
 func (l *Loop) SetStatus(ctx context.Context, status models.LoopStatus) (
-	outcome string, err error) {
+	outcome string, err error,
+) {
 	l.state.statusMu.Lock()
 	defer l.state.statusMu.Unlock()
 	existingStatus := l.state.status
@@ -91,7 +92,8 @@ func (l *Loop) GetSettings() (settings settings.Shadowsocks) {
 }
 
 func (l *Loop) SetSettings(ctx context.Context, settings settings.Shadowsocks) (
-	outcome string) {
+	outcome string,
+) {
 	l.state.settingsMu.Lock()
 	settingsUnchanged := reflect.DeepEqual(settings, l.state.settings)
 	if settingsUnchanged {