chore(deps): update dependency com.google.truth:truth to v1 (#3279)
chore(deps): update dependency com.google.truth:truth to v1 (#3279)


googleapis/gapic-generator,googleapis/gapic-generator,googleapis/gapic-generator,googleapis/gapic-generator,googleapis/gapic-generator,googleapis/gapic-generator,googleapis/gapic-generator