[Stack 8.19.21-SNAPSHOT] [workday] Failing test daily: system test: (elastic-agent logs - cel) in workday.user

- Stack version: 8.19.21-SNAPSHOT
- Package: workday
- Failing test: system test: (elastic-agent logs - cel)
- DataStream: user
- Owners:
- @elastic/security-service-integrations
- @elastic/sit-crest-contractors

Failure:
```
test case failed: one or more errors found while examining elastic-agent.logs1939998212: [0] found error "Unit state changed cel-default-cel-workday-854893cb-2fa5-48c1-8c76-608262a63a6d (HEALTHY->DEGRADED): workday.user: failed evaluation: failed eval: ERROR: :3:30: no such overload\n | (resp.StatusCode == 200) ?\n | .............................^"
```

First build failed: https://buildkite.com/elastic/integrations/builds/49336