Fix missing pipe

Author: tyeth

.github/workflows/build-clang-doxy.yml

@@ -205,9 +205,9 @@ jobs:
         run: |
           cp /home/runner/Arduino/libraries/Adafruit_LittlevGL_Glue_Library/lv_conf.h /home/runner/Arduino/libraries
       - name: Build for ESP32-SX #1
-        run: 
+        run: |
+          echo >>$GITHUB_ENV WS_PATH=$(pwd) 
           python3 ci/build_platform.py ${{ matrix.arduino-platform }} --build_timeout 48000
-          echo >>$GITHUB_ENV WS_PATH=$(pwd)
       - name: 2nd Build for ESP32-SX  #2
         run: |
           cd $WS_PATH