Update URL of "MPC_ruih"

Author: per1234

registry.txt

@@ -5947,7 +5947,7 @@ https://github.com/J-Rios/minbasecli.git|Contributed|minbasecli
 https://github.com/dojyorin/arduino_m0_tweak.git|Contributed|m0_tweak
 https://github.com/stm32duino/X-NUCLEO-NFC08A1.git|Contributed|STM32duino X-NUCLEO-NFC08A1
 https://github.com/leonlucc/arduino-tencent-cloud-iot-sdk.git|Contributed|TencentCloudIoTSDK
-https://github.com/rhrhhrhr/MPC_ruih.git|Contributed|MPC_ruih
+https://github.com/rui-huang-opt/MPC_ruih.git|Contributed|MPC_ruih
 https://github.com/ArduCAM/Arducam_mini.git|Contributed|Arducam_mini
 https://github.com/sinricpro/teleport-arduino-esp32-library.git|Contributed|SinricTeleport
 https://github.com/RobTillaart/TOPMAX.git|Contributed|TOPMAX