fix(langchain): Set agent name as gen_ai.agent.name for chat and tool spans
#7709
| Job | Run time |
|---|---|
| 3m 44s | |
| 5m 3s | |
| 5m 12s | |
| 4m 2s | |
| 4m 57s | |
| 4m 44s | |
| 4m 58s | |
| 5m 9s | |
| 4m 46s | |
| 5m 10s | |
| 2s | |
| 47m 47s |