platformio.ini Add back https://github.com/adafruit/Adafruit_SHT4X.git

Author: tyeth

platformio.ini

@@ -91,6 +91,7 @@ lib_deps =
     https://github.com/pstolarz/OneWireNg.git
     https://github.com/milesburton/Arduino-Temperature-Control-Library.git
     https://github.com/Sensirion/arduino-sht.git
+    https://github.com/adafruit/Adafruit_SHT4X.git
     https://github.com/Sensirion/arduino-i2c-scd4x.git
     https://github.com/Sensirion/arduino-i2c-sen5x.git
     https://github.com/Sensirion/arduino-i2c-sen66.git