fix(anthropic): Patch AsyncStream.close() and AsyncMessageStream.close() to finish spans
#12080
| Job | Run time |
|---|---|
| 3m 42s | |
| 2m 0s | |
| 1m 35s | |
| 3m 48s | |
| 2m 52s | |
| 3m 11s | |
| 2m 2s | |
| 2m 34s | |
| 2m 8s | |
| 4s | |
| 23m 56s |