Update xl9535.rst - fixed dead datasheet link (esphome#4556)

Author: mrred2k

components/xl9535.rst

@@ -62,6 +62,6 @@ See Also
 - :ref:`i2c`
 - :doc:`switch/gpio`
 - :doc:`binary_sensor/gpio`
-- `XL9535 datasheet <https://datasheet.lcsc.com/lcsc/2211110930_XINLUDA-XL9535_C561273.pdf>`__ 
+- `XL9535 datasheet <https://www.lcsc.com/datasheet/lcsc_datasheet_2410122054_XINLUDA-XL9535_C561273.pdf>`__ 
 - :apiref:`xl9535/xl9535.h`
 - :ghedit:`Edit`