feat(deps): update fluent/fluentd docker tag to v1.16.2

This MR contains the following updates:

Package	Type	Update	Change
fluent/fluentd	final	minor	v1.15.3-debian-1.1 -> v1.16.2-debian-1.1
fluent/fluentd	stage	minor	v1.15.3-debian-1.1 -> v1.16.2-debian-1.1

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