chore(deps): update all dependencies and GitHub Actions to latest

- Go deps: cobra 1.10.2, fatih/color 1.19, tablewriter 1.1.4,
  anacrolix/torrent 1.61, charmbracelet/huh 1.0, pion/webrtc 4.2.11
- GitHub Actions: checkout v6, setup-go v6, golangci-lint-action v9,
  codecov-action v5, ghaction-upx v4, goreleaser-action v7
- CI matrix: drop Go 1.22, test on 1.24 + 1.25
- Migrate tablewriter API from v0 to v1 (breaking change)
- Fix data race in WSTransport.readLoop (pass conn as parameter)
- Add file.Sync() before close in debrid and usenet downloaders
- Improve progress tracker: dedup MarkDone, re-mark dirty on flush error

internal/agent/transport_ws.go

@@ -79,7 +79,7 @@ func (t *WSTransport) Connect(ctx context.Context) error {
 	t.authDoneOnce = sync.Once{}
 	t.mu.Unlock()
 
-	go t.readLoop()
+	go t.readLoop(conn)
 	return nil
 }
 
@@ -240,9 +240,9 @@ func (t *WSTransport) send(msg any) error {
 	return t.conn.WriteMessage(websocket.TextMessage, data)
 }
 
-func (t *WSTransport) readLoop() {
+func (t *WSTransport) readLoop(conn *websocket.Conn) {
 	for {
-		_, msg, err := t.conn.ReadMessage()
+		_, msg, err := conn.ReadMessage()
 		if err != nil {
 			if !t.closed.Load() {
 				log.Printf("[ws] read error: %v", err)