Exclude primehub-fluentd's container logs

[qrtt1]

Signed-off-by: Ching Yi, Chan qrtt1@infuseai.io Co-authored-by: Timothy Lee ctiml@infuseai.io

PR checklist

• [x] Ensure you have added or ran the appropriate tests for your PR.
• [x] DCO signed

What type of PR is this?

bugfix

What this PR does / why we need it:

• [performance improvement] Huge warning logs in the fluentd parsing recursively make high CPU loading in the cluster
• [cost reduction] few warning logs spend less money.

Which issue(s) this PR fixes:

sc-24510