v1.0.3 - alpha

Upgraded Capacitor to version 6 - tested & working on iOS, still needs properly testing on Android before moving out of Alpha.

Full Changelog: v1.0.2...v1.0.3

Fixed Xcode build-time error

Fixed build error in Xcode caused by a Capacitor's example builtin function.

Full Changelog: https://github.com/CraigRonald555/capacitor-subscriptions/commits/v1.0.2