[Stack 8.19.12-SNAPSHOT] [oracle] Failing test daily: system test: memory in oracle.memory

- Stack version: 8.19.12-SNAPSHOT
- Package: oracle
- Failing test: system test: memory
- DataStream: memory
- Owners:
- @elastic/obs-infraobs-integrations

Failure:
```
test case failed: one or more errors found in documents stored in metrics-oracle.memory-90482 data stream: [0] found error.message in event: [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-12514: TNS:listener does not currently know of service requested in connect descriptor]
```

First build failed: https://buildkite.com/elastic/integrations/builds/39647