Draft: Add include-system-log-errors flag to gitlab-qa-report script

What does this MR do?

This MR adds the new --include-system-log-errors-flag that is needed for adding system log errors to QA failure issues: gitlab-org/gitlab-qa!1133 (merged)

⚠ Important: ⚠ The following MRs should be merged first:

• gitlab-org/gitlab-qa!1133 (merged)
• gitlab-org/gitlab-qa!1156 (merged)

Check-list

• Verify the change in all affected pipelines.