chore: monorepo script to use cloud-sdk-java-team #16020

Job	Run time
gitignore_correctness	49s
owlbot-yaml	50s
gapic-bom	1m 20s
root-pom	1m 28s
package_name_check	51s
generate-readme	1m 0s
group_id_check_for_maps_libraries	6m 35s
owlbot-py	56s
	13m 49s

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