bump version to 0.3.69 (#1121)
bump version to 0.3.69 (#1121)

Co-authored-by: Jonathan Zacsh <5c2dd944dde9e08881bef0894fe7b22a5c9c4b06@zac.sh>
google/data-transfer-project,google/data-transfer-project,google/data-transfer-project,google/data-transfer-project,google/data-transfer-project