Add test against serialization YAML format changing (#47349)

.gitignore

...ckend/src/metabase_enterprise/serialization/v2/ingest.clj

...est/metabase_enterprise/serialization/v2/extract_test.clj

.../metabase_enterprise/serialization/v2/round_trip_test.clj

...ion_baseline/actions/hYWoE-l1BpOqmvYedqP2g_my_action.yaml

...ome_collection/M-Q4pcV0qkiyJ0kiSWECl_some_collection.yaml

...ection/cards/OMuZ0wHe2O5Z_59-cLmn4_series_question_a.yaml

...ection/cards/XsxiHuzwlGIFNq245HdZC_series_question_b.yaml

...collection/cards/f1C68pznmrpN1F5xFDj6d_some_question.yaml

...on/dashboards/Q_jD-f-9clKLFZ2TfUG2h_shared_dashboard.yaml

...d_collection/Y6d4QwJgGKw-X1tRh3ir2_shared_collection.yaml

...lections/cards/aqpA3mIKUnfzYUlwjuGwT_source_question.yaml

...ne/collections/cards/ze7O4-8qRFH1v2Ho2apT1_root_card.yaml

...lection/cards/m98z04nYGCF5n7cvOTfbj_grandparent_card.yaml

...lection/olgKH56lYOjakuobH4zPz_grandparent_collection.yaml

...t_collection/cards/IBZSKSt2-QOMviIaGcQE6_parent_card.yaml

...lection/dashboards/JT3BKJwNCfhUHnd9oqQ_1_parent_dash.yaml

...ld_collection/cards/Ra0JVOCXKTxH5TPbwZm0x_child_card.yaml

...ld_collection/fJVsXIDzzipSZsaro9Pvu_child_collection.yaml

...t_collection/qPZhJMPNGkfd3sq8jWiZS_parent_collection.yaml