fix(anthropic): Patch Stream.close() and MessageStream.close() to finish spans
#12083
| Job | Run time |
|---|---|
| 2m 5s | |
| 2m 4s | |
| 1m 53s | |
| 2m 5s | |
| 1m 55s | |
| 2m 6s | |
| 2m 8s | |
| 1m 59s | |
| 1m 44s | |
| 3s | |
| 18m 2s |