Fix the repository path in the release branch continuous testing script.
Fix the repository path in the release branch continuous testing script.

PiperOrigin-RevId: 219594684
GitOrigin-RevId: 655d985df67762ef32c5e8c71a6115ba1182c99c

google/tink,google/tink,google/tink,google/tink,google/tink,google/tink,google/tink,google/tink