Meltano

<https://github.com/meltano/sdk/pull/3788|#3788 fix(targets): Make target state emission robust to non-JSON-serializable values>
Pull request opened by <https://github.com/edgarrmondragon|edgarrmondragon>
Closes <https://github.com/meltano/sdk/issues/3787|#3787>

*Summary by Sourcery*

Use the Singer SDK JSON serializer for robust target state emission.
Bug Fixes:
• Make target state messages emit successfully when state contains values that require Singer SDK JSON serialization, such as decimals and datetimes.
Tests:
• Add coverage for target state emission with non-standard JSON values and update affected output snapshots.
<https://github.com/meltano/sdk|meltano/sdk>

<https://github.com/meltano/sdk/pull/3788|#3788 fix(targets): Fall back to `str(...)` serialization when writing state output from target>
Pull request ready for review by <https://github.com/edgarrmondragon|edgarrmondragon>
<https://github.com/meltano/sdk|meltano/sdk>

<https://github.com/meltano/sdk/pull/3788|#3788 fix(targets): Make target state emission robust to non-JSON-serializable values>
Pull request merged by <https://github.com/edgarrmondragon|edgarrmondragon>
<https://github.com/meltano/sdk|meltano/sdk>