Update repositories.txt (#4738)

RobTillaart · web-flow · commit 7173f253b1ec · 2024-07-03T15:40:41.000Z
Arduino Library for I2C ADG728 matrix switch. 1x8 Multiplexer.
diff --git a/repositories.txt b/repositories.txt
@@ -5048,6 +5048,7 @@ https://github.com/RobTillaart/ADC081S
 https://github.com/RobTillaart/ADC08XS
 https://github.com/RobTillaart/ADG725
 https://github.com/RobTillaart/ADG726
+https://github.com/RobTillaart/ADG728
 https://github.com/RobTillaart/ADG731
 https://github.com/RobTillaart/ADG732
 https://github.com/RobTillaart/Adler
