testing Arduino upgrade on travis ci

.travis.yml

@@ -1,15 +1,15 @@
 language: c
 env:
  global: 
-   - ESP32TOOLS=/home/travis/.arduino15/packages/esp32/hardware/esp32/1.0.6/tools
+   - ESP32TOOLS=/home/travis/.arduino15/packages/esp32/hardware/esp32/2.0.0/tools
    - MKSPIFFS=/home/travis/.arduino15/packages/esp32/tools/mkspiffs/0.2.3/mkspiffs
 before_install:
   - "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_1.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :1 -ac -screen 0 1280x1024x16"
   - sleep 3
   - export DISPLAY=:1.0
-  - wget https://downloads.arduino.cc/arduino-1.8.13-linux64.tar.xz
-  - tar xf arduino-1.8.13-linux64.tar.xz
-  - sudo mv arduino-1.8.13 /usr/local/share/arduino
+  - wget https://downloads.arduino.cc/arduino-1.8.16-linux64.tar.xz
+  - tar xf arduino-1.8.16-linux64.tar.xz
+  - sudo mv arduino-1.8.16 /usr/local/share/arduino
   - sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino
   - wget https://github.com/me-no-dev/ESPAsyncWebServer/archive/master.zip
   - unzip master.zip
@@ -45,7 +45,7 @@ install:
   - arduino --pref "custom_FlashFreq=ttgo-lora32-v1_80" --save-prefs
   - mkdir -p $PWD/build
   - arduino --pref "build.path=$PWD/build" --save-prefs
-  - arduino --install-boards esp32:esp32:1.0.6 --save-prefs
+  - arduino --install-boards esp32:esp32:2.0.0 --save-prefs
   - ln -s $PWD/libraries/SondeLib /usr/local/share/arduino/libraries/SondeLib
   - arduino --install-library "U8g2"
   - arduino --install-library "MicroNMEA"

RX_FSK/version.h

@@ -1,4 +1,4 @@
 const char *version_name = "rdzTTGOsonde";
-const char *version_id = "devel20210908b";
+const char *version_id = "devel20210910test";
 const int SPIFFS_MAJOR=2;
 const int SPIFFS_MINOR=14;