token_bucket_time_source.md

applies_to	client
authors	lnj
references	smithy-rs#4459
breaking	false
new_feature	false
bug_fix	true

Updated the TokenBucket creation to initialize the bucket with the user-provided TimeSource from the Config. This fixes the bug in issue 4459 that caused failures in WASM since the TokenBucket was being created with a default SystemTime based TimeSource