Implement thread-isolated connection pooling (BoundedReaderPool) in ArrayRecordDataSource to support safe concurrent reads. #552

Job	Run time
call-workflow / Python 3.11 on ubuntu-22.04	10m 35s
call-workflow / Python 3.12 on macos-14	2m 39s
call-workflow / Python 3.12 on ubuntu-22.04-arm	6m 43s
call-workflow / Python 3.11 on ubuntu-22.04-arm	5m 30s
call-workflow / Python 3.12 on ubuntu-22.04	7m 10s
call-workflow / Python 3.13 on ubuntu-22.04	7m 49s
call-workflow / Python 3.11 on macos-14	3m 23s
call-workflow / Python 3.14 on ubuntu-22.04	8m 36s
call-workflow / Python 3.13 on ubuntu-22.04-arm	6m 39s
call-workflow / Python 3.14 on ubuntu-22.04-arm	3m 41s
call-workflow / Python 3.14 on macos-14	2m 28s
call-workflow / Python 3.13 on macos-14	2m 44s
call-workflow / publish-wheel	-1s
	1h 7m 56s

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