Meltano

<https://github.com/meltano/sdk/pull/3686|#3686 test: Set up flattening benchmarks>
Pull request opened by <https://github.com/edgarrmondragon|edgarrmondragon>
SSIA

*Summary by Sourcery*

Tests:
• Introduce pytest benchmark suite for flatten_key, flatten_record, and flatten_schema under varying record and schema shapes.
<https://github.com/meltano/sdk|meltano/sdk>

<https://github.com/meltano/sdk/pull/3686|#3686 test: Set up flattening benchmarks>
Pull request ready for review by <https://github.com/edgarrmondragon|edgarrmondragon>
<https://github.com/meltano/sdk|meltano/sdk>

<https://github.com/meltano/sdk/pull/3686|#3686 test: Set up flattening benchmarks>
Pull request merged by <https://github.com/edgarrmondragon|edgarrmondragon>
<https://github.com/meltano/sdk|meltano/sdk>