chore: refactor to use GxEPD2 fork

variants/lilygo_techo_lite/platformio.ini

@@ -47,7 +47,7 @@ lib_deps =
   ${nrf52_base.lib_deps}
   stevemarple/MicroNMEA @ ^2.0.6
   adafruit/Adafruit BME280 Library @ ^2.3.0
-  zinggjm/GxEPD2 @ 1.6.2
+  https://github.com/SoulOfNoob/GxEPD2.git
   bakercp/CRC32 @ ^2.0.0
 debug_tool = jlink
 upload_protocol = nrfutil