Renamed `ExponentialBackoffRetryPolicy` to `WithExponentialBackoffRetry` to better align with the existing naming conventions and implemented the `WithRetryBuilder` interface.

…ment WithRetryBuilder

…ration and has been extended to all available settings

…sappeared from the workflow class, a warning is now emitted. Previously an error was thrown.

…custom 'DeferredJacksonSerializer' to clean up the code and reduce maintenance overhead.

- CloudEvent sources more clearly distinguish executor and stateEngine
- workflow version is now 0 (instead of null) when undefined

…oClassDefFoundError: Could not initialize class io.infinitic.VersionKt" during Github actions

…ize class io.infinitic.VersionKt" during Github actions

…values

…r initialization

…asks, including:

- clean use of coroutines for batch processing
- clean behavior when calling scope canceled: all ongoing messages are processed
- clean behavior when error and excpetion are thrown

…asks, including:

- clean use of coroutines for batch processing
- clean behavior when calling scope canceled: all ongoing messages are processed
- clean behavior when error and excpetion are thrown