chore: Bump snapshot versions #16401

Job	Run time
gitignore_correctness	55s
group_id_check_for_maps_libraries	6m 59s
gapic-bom	1m 44s
owlbot-py	4m 1s
generate-readme	1m 3s
owlbot-yaml	3m 53s
root-pom	1m 45s
package_name_check	59s
	21m 19s

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