Out of sync practice exercises

[github-actions]

Out of sync practice exercises have been detected:

Command: configlet sync --tests --docs --metadata --filepaths

Output:

Checking exercises...
[warn] two-bucket: missing 2 test cases
       - Measure using bucket one much bigger than bucket two (58d70152-bf2b-46bb-ad54-be58ebe94c03)
       - Measure using bucket one much smaller than bucket two (9dbe6499-caa5-4a58-b5ce-c988d71b8981)
[warn] some exercises are missing test cases