The boto library was last updated two years ago and has
rusted to the point that it's unusable on py312 -- see
https://github.com/boto/boto/issues/3951
We should transition all of these tests to boto3 equivalents,
but this should help out in the meantime.
Related-Bug: #1557260
Related-Bug: #2063367
Change-Id: If95f45371f352c6a2d16be1a3e1b64e265bccfb4