refactor: Move agent card signature verification into A2ACardResolver
#1929
| Job | Run time |
|---|---|
| 1m 1s | |
| 1m 5s | |
| 2m 6s |
A2ACardResolver
#1929
| Job | Run time |
|---|---|
| 1m 1s | |
| 1m 5s | |
| 2m 6s |