[8.x](backport #40934) [auditbeat] Use shared process cache in add_session_metadata processor
#9770
| Job | Run time |
|---|---|
| 13m 20s | |
| 13m 20s |
add_session_metadata processor
#9770
| Job | Run time |
|---|---|
| 13m 20s | |
| 13m 20s |