SelfProvisioning needs Arduino_JSON

Author: aentinger

.github/workflows/compile-examples.yml

@@ -60,6 +60,7 @@ jobs:
               - name: WiFi101
               - source-url: https://github.com/arduino-libraries/WiFiNINA.git
               - name: Arduino_MKRMEM
+              - name: Arduino_JSON
             sketch-paths: '"examples/utility/Provisioning" "examples/utility/SelfProvisioning"'
           # LoRaWAN boards
           - board: