Add persistence CreatePreservationAction method

[djjuhasz]

• Add a CreatePreservationAction method to the persistence service, the telemetry wrapper, and the ent client implementation
• Update package_.CreatePreservationAction() to use the persistence service method

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 50.89286% with 55 lines in your changes missing coverage. Please review.

Project coverage is 51.31%. Comparing base (1eced45) to head (01d9a29).

Files	Patch %	Lines
internal/package_/goa.go	0.00%	47 Missing :warning:
internal/persistence/telemetry.go	0.00%	8 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #956 +/- ## ========================================== + Coverage 50.53% 51.31% +0.77% ========================================== Files 101 102 +1 Lines 5638 5679 +41 ========================================== + Hits 2849 2914 +65 + Misses 2545 2521 -24 Partials 244 244 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[djjuhasz]

These changes are the same as PR #952 except without the controversial addition of the API endpoint.