chore: fix syntax error in owlbot.py configs (#11670) #14459

Job	Run time
gapic-bom	1m 16s
owlbot-yaml	38s
owlbot-py	45s
root-pom	1m 16s
package_name_check	37s
group_id_check_for_maps_libraries	6m 5s
generate-readme	41s
gitignore_correctness	37s
	11m 55s

Provide feedback