fix(langchain): Record run_name as gen_ai.function_id for text completions
#7683
| Job | Run time |
|---|---|
| 1m 45s | |
| 1m 46s | |
| 2m 31s | |
| 4m 1s | |
| 3m 40s | |
| 1m 45s | |
| 4m 5s | |
| 2m 43s | |
| 2s | |
| 22m 18s |