fix(langchain): Record run_name as gen_ai.function_id for text completions
#13017
| Job | Run time |
|---|---|
| 4m 27s | |
| 4m 25s | |
| 4m 27s | |
| 4m 26s | |
| 4m 26s | |
| 4m 26s | |
| 4m 26s | |
| 3m 33s | |
| 3m 41s | |
| 4m 26s | |
| 4s | |
| 42m 47s |