fix(langchain): Set agent name as gen_ai.agent.name for chat and tool spans
#12504
| Job | Run time |
|---|---|
| 2m 44s | |
| 2m 45s | |
| 2m 45s | |
| 2m 43s | |
| 2m 32s | |
| 2m 44s | |
| 2m 44s | |
| 2m 44s | |
| 2m 43s | |
| 2m 44s | |
| 4s | |
| 27m 12s |