Register gradle outputs of ksp, and inputs of packaging tasks

[rocketraman]

Solves: random Gradle error in consumer projects:

Task has not declared any outputs despite executing actions.

and

FileNotFoundException: dependencies.txt

I believe Gradle was not aware of the zodable task outputs, and was therefore in some kind of race condition in which it would often error out (but work most of the time). There were also cases in which
the outputs of the KSP plugin were not declared (and not mapped to the inputs of creating the zodable packages), so there was another race there. This would sometimes result in FileNotFoundException on outputs of KSP e.g. dependencies.txt, though I only saw this problem after fixing the first problem.

This change allows Gradle to consistently work without error for both inputs and outputs.

[codecov]

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[nathanfallet]

Thank you again for your help on the project!