fix (ci_checker) : do not use a non-existing column in the logerrors stat query (#381)

Description

Do not use a non-existing column in the logerrors stat query

Related issue

#381 (closed)

Examples

https://console.postgres.ai/demo/observed-sessions/872

Checklist

• MR description has been reviewed
• MR changes are functionally tested
• MR does NOT have text changes OR there are text changes and they have been reviewed
• MR does NOT have API/CLI changes OR there are API/CLI changes and they have been reviewed
• MR does NOT have UI changes OR there are UI changes and they have been reviewed

Closes #381 (closed)