feat/refactor embedders #2159

Job	Run time
setup (3.9)	8s
setup (3.10)	8s
api_based_int_test (partitioners)	3m 6s
api_based_int_test (chunkers)	6m 21s
check_untagged_tests	4s
embedders_int_test	3m 34s
blob_storage_connectors_int_test	1m 50s
nosql_connectors_int_test	6m 7s
dest_e2e_test (3.9)	2m 1s
sql_connectors_int_test	3m 19s
dest_e2e_test (3.10)	2m 46s
src_api_test	31s
src_e2e_test (3.9)	3m 4s
uncategorized_connectors_int_test	5m 9s
src_e2e_test (3.10)	6m 5s
vector_db_connectors_int_test	6m 4s
	50m 17s

Provide feedback