[Stack 9.5.0-SNAPSHOT] [oracle] Failing test daily: system test: (elastic-agent logs - memory) in oracle.memory

- Stack version: 9.5.0-SNAPSHOT
- Package: oracle
- Failing test: system test: (elastic-agent logs - memory)
- DataStream: memory
- Owners:
- @elastic/obs-infraobs-integrations

Failure:
```
test case failed: one or more errors found while examining elastic-agent.logs3263438751: [0] found error "Component state changed sql/metrics-default (HEALTHY->DEGRADED): Recoverable: Error fetching data for metricset sql.query: cannot open connection: testing connection: user=\"sys\" standalone params={authMode:2 connectionClass: connectionClassLength:0 purity:0 newPassword: newPasswordLength:0 appContext: numAppContext:0 externalAuth:0 externalHandle: pool: tag: tagLength:0 matchAnyTag:0 outTag: outTagLength:0 outTagFound:0 shardingKeyColumns: numShardingKeyColumns:0 superShardingKeyColumns: numSuperShardingKeyColumns:0 outNewSession:0}: ORA-12541: TNS:no listener"
[1] found error "Unit state changed sql/metrics-default-sql/metrics-oracle-aa7b83ac-b68f-4c82-bceb-3c4b74318ad7 (HEALTHY->DEGRADED): Recoverable: Error fetching data for metricset sql.query: cannot open connection: testing connection: user=\"sys\" standalone params={authMode:2
```

Latest issue closed for the same test: https://github.com/elastic/integrations/issues/18730

First build failed: https://buildkite.com/elastic/integrations/builds/42450