Update badge once ownership is transferred

Author: tekktrik

README.rst

@@ -12,7 +12,7 @@ Introduction
     :alt: Discord
 
 
-.. image:: https://github.com/tekktrik/Adafruit_CircuitPython_BLE_Beacon/workflows/Build%20CI/badge.svg
+.. image:: https://github.com/adafruit/Adafruit_CircuitPython_BLE_Beacon/workflows/Build%20CI/badge.svg
     :target: https://github.com/tekktrik/Adafruit_CircuitPython_BLE_Beacon/actions
     :alt: Build Status