performance: tune shared HTTP transport for concurrent CDN downloads

internal/provider/deezer/client.go

@@ -62,7 +62,7 @@ type Client struct {
 }
 
 func New(cfg *config.Config) *Client {
-	httpClient := netutil.NewHTTPClient(30*time.Second, cfg.Session.Downloads.VerifySSL)
+	httpClient := netutil.NewHTTPClient(30*time.Second, cfg.Session.Downloads.VerifySSL, cfg.Session.Downloads.MaxConnections)
 	if jar, err := cookiejar.New(nil); err == nil {
 		httpClient.Jar = jar
 	}