Update README.md

Author: Jason2866

README.md

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 A Python-based, open-source, platform-independent utility to communicate with the ROM bootloader in Espressif chips.
 
-[![Test esptool](https://github.com/jason2866/esptool/actions/workflows/test_esptool.yml/badge.svg?branch=main_work)](https://github.com/jason2866/esptool/actions/workflows/test_esptool.yml) [![Build esptool](https://github.com/jason2866/esptool/actions/workflows/build_esptool.yml/badge.svg?branch=main_work)](https://github.com/jason2866/esptool/actions/workflows/build_esptool.yml)
+[![Test esptool](https://github.com/pioarduino/esptool/actions/workflows/test_esptool.yml/badge.svg?branch=main_work)](https://github.com/pioarduino/esptool/actions/workflows/test_esptool.yml) [![Build esptool](https://github.com/pioarduino/esptool/actions/workflows/build_esptool.yml/badge.svg?branch=main_work)](https://github.com/pioarduino/esptool/actions/workflows/build_esptool.yml)
 
 ## Documentation