chore(bqjdbc): helper tools #18545

Job	Run time
group_id_check_for_maps_libraries	2m 50s
root-pom	1m 41s
package_name_check	1m 25s
owlbot-py	1m 33s
gapic-bom	1m 44s
generate-readme	1m 7s
owlbot-yaml	1m 23s
gitignore_correctness	1m 7s
	12m 50s

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