use official github for httpclient

Author: brentru

.github/workflows/githubci.yml

@@ -31,7 +31,7 @@ jobs:
       run: |
         git clone --quiet https://github.com/adafruit/WiFiNINA.git /home/runner/Arduino/libraries/WiFiNINA
         rm -rf /home/runner/Arduino/libraries/ArduinoHttpClient
-        git clone --quiet https://github.com/brentru/ArduinoHttpClient.git /home/runner/Arduino/libraries/ArduinoHttpClient
+        git clone --quiet https://github.com/arduino-libraries/ArduinoHttpClient.git /home/runner/Arduino/libraries/ArduinoHttpClient
 
     - name: test platforms
       run: python3 ci/build_platform.py ${{ matrix.arduino-platform }}