Add query source to DB spans #4188

Job	Run time
rq, python 3.5, ubuntu-20.04	2m 9s
rq, python 3.6, ubuntu-20.04	2m 3s
rq, python 3.7, ubuntu-20.04	1m 51s
rq, python 3.8, ubuntu-20.04	1m 51s
rq, python 3.9, ubuntu-20.04	2m 2s
rq latest, python 3.7, ubuntu-20.04	44s
rq, python 3.10, ubuntu-20.04	1m 24s
rq latest, python 3.8, ubuntu-20.04	42s
rq, python 2.7, ubuntu-20.04	1m 47s
rq, python 3.11, ubuntu-20.04	1m 17s
rq latest, python 3.9, ubuntu-20.04	47s
rq, python 3.12, ubuntu-20.04	58s
rq latest, python 3.10, ubuntu-20.04	43s
rq latest, python 3.11, ubuntu-20.04	39s
rq latest, python 3.12, ubuntu-20.04	48s
All rq tests passed or skipped	1s
	19m 46s

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