Update allocated-pids.txt

- METADOX Soundproof Mask Headset with USB connection
- ESP32-S3
- We’re launching a commercial product that uses a custom USB interface on the ESP32-S3, requiring a unique PID to ensure correct driver handling.
- METADOX GmbH, https://metadox.pro

Author: metadoxbeop

allocated-pids.txt

@@ -720,4 +720,4 @@ PID    | Product name
 0x82C8 | Heltec Vision Master E290 - UF2 Bootloader
 0x82C9 | Heltec Vision Master E290 - CircuitPython
 0x82CA | Heltec Vision Master E290 - Arduino
-
+0x82CB | METADOX Soundproof Mask Headset USB - ESP32-S3