Fix README requirements

Author: justmobilize

README.rst

@@ -30,6 +30,7 @@ This driver depends on:
 * `Adafruit CircuitPython <https://github.com/adafruit/circuitpython>`_
 * `Bus Device <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>`_
 * `Adafruit CircuitPython ConnectionManager <https://github.com/adafruit/Adafruit_CircuitPython_ConnectionManager/>`_
+* `Adafruit CircuitPython Requests <https://github.com/adafruit/Adafruit_CircuitPython_Requests/>`_
 
 Please ensure all dependencies are available on the CircuitPython filesystem.
 This is easily achieved by downloading