Merge branch 'update-fluentbit-tag-0.43.0-bb.0' into 'master'

fluentbit update to 0.43.0-bb.0

Closes big-bang/product/packages/fluentbit#82

See merge request !3759

(cherry picked from commit 9404f131)

1f1eaf36 Updated fluentbit git tag
abead031 test disabling loki istio.hardened
947fdd50 Update reenable loki istio.hardened test-values.yaml because I was impatient