upgrade MCP9808 library

Author: matth-x

platformio.ini

@@ -447,7 +447,7 @@ lib_deps =
   ${common.lib_deps}
   ${common.gfx_display_libs}
   ${common.neopixel_lib}
-  adafruit/Adafruit MCP9808 Library @ 1.1.2
+  adafruit/Adafruit MCP9808 Library @ 2.0.2
 board_build.partitions = ${common.build_partitions_16mb}
 board_upload.flash_size = 16MB
 board_build.flash_mode = qio