Update RTL8720 firmware (v2.1.2)

Author: matsujirushi

.gitignore

@@ -1,4 +1,4 @@
-.vscode/
-.pio/
-out/
 .vs/
+.vscode/
+/.pio/
+/out/

platformio.ini

@@ -9,19 +9,19 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [env:seeed_wio_terminal]
-platform = atmelsam@5.1.1
+platform = atmelsam
 board = seeed_wio_terminal
 framework = arduino
 platform_packages = framework-arduino-samd-seeed@https://github.com/Seeed-Studio/ArduinoCore-samd.git#v1.8.1
 lib_deps = 
-    https://github.com/Seeed-Studio/Seeed_Arduino_rpcWiFi#v1.0.2
-    https://github.com/Seeed-Studio/Seeed_Arduino_rpcUnified#v2.1.1
-    https://github.com/Seeed-Studio/Seeed_Arduino_mbedtls#dev
+    https://github.com/Seeed-Studio/Seeed_Arduino_rpcWiFi#v1.0.4
+    https://github.com/Seeed-Studio/Seeed_Arduino_rpcUnified#v2.1.2
+    https://github.com/Seeed-Studio/Seeed_Arduino_mbedtls
     https://github.com/Seeed-Studio/Seeed_Arduino_FS
     https://github.com/Seeed-Studio/Seeed_Arduino_SFUD
     https://github.com/sstaub/NTP
     PubSubClient
-    https://github.com/lovyan03/LovyanGFX#0.3.4
+    https://github.com/lovyan03/LovyanGFX#0.3.10
     https://github.com/ciniml/ExtFlashLoader
     https://github.com/Seeed-Studio/Seeed_Arduino_LIS3DHTR
     https://github.com/bxparks/AceButton