fix LiquidCrystal_I2C url

change URL to where the original repo now redirects

Author: cbcGirard

repositories.txt

@@ -3743,7 +3743,7 @@ https://github.com/marcmerlin/SmartMatrix_GFX
 https://github.com/marcobrianza/ClickButton
 https://github.com/marcoschwartz/aREST
 https://github.com/marcoschwartz/aREST_UI
-https://github.com/marcoschwartz/LiquidCrystal_I2C
+https://github.com/johnrickman/LiquidCrystal_I2C
 https://github.com/marecl/HPDL1414
 https://github.com/marecl/settingsManager
 https://github.com/marhar/ArrbotMonitor