use LittleFS for user's partition on Opta

Author: fabik111

.github/workflows/compile-provisioning.yml

@@ -33,8 +33,8 @@ jobs:
           version: 0f0f4a4ce718fcf2066a092a92cc2fdcd4d8bedd
         - name: Arduino_SecureElement
           version: 0.4.0
-        - name: Arduino_CloudUtils
-          version: 1.1.1
+        - source-url: https://github.com/fabik111/Arduino_CloudUtils.git
+          version: 8c27fdec4cf1ed27a1b943346a35dcc8a7ad77bf
         - source-url: https://github.com/arduino-libraries/Arduino_UniqueHWId.git
           version: 7e1bfeb586cac00f043c39997a1e9937ed8152b0
         - source-url: https://github.com/arduino-libraries/Arduino_NetworkConfigurator.git