update author and copyright date

Author: FoamyGuy

examples/mcp4725_simpletest.py

@@ -1,9 +1,8 @@
-# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
+# SPDX-FileCopyrightText: 2018 Tony DiCola for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
 # Simple demo of setting the DAC value up and down through its entire range
 # of values.
-# Author: Tony DiCola
 import board
 import busio