feat(bigquery-jdbc): respect standard JVM trustStore properties by default #19871

Job	Run time
gapic-bom	1m 52s
owlbot-py	1m 24s
group_id_check_for_maps_libraries	10m 39s
generate-readme	1m 15s
owlbot-yaml	1m 12s
root-pom	1m 54s
package_name_check	1m 10s
gitignore_correctness	1m 13s
	20m 39s

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