chore(honeycomb sink): refactor to new style (vectordotdev#18280)

* First iteration, unit tests pass.

* Extract common Service functionality for HTTP based stream sinks.

* docs touchup

* Touch ups

* spell checker

* fix rust doc

* hopefully fix encoding regression

* Try item sized batching

* Refactor a bit

* cleanup

* cleanup

* doc clean up

* extract common service code for re use in other HTTP sinks

* chore(honeycomb sink): refactor to new style

* doc

* feeback sw

* duplicate

* First iteration, unit tests pass.

* Extract common Service functionality for HTTP based stream sinks.

* docs touchup

* Touch ups

* spell checker

* fix rust doc

* hopefully fix encoding regression

* Try item sized batching

* Refactor a bit

* cleanup

* cleanup

* doc clean up

* extract common service code for re use in other HTTP sinks

* chore(honeycomb sink): refactor to new style

* doc

* feeback sw

* duplicate

* feedback ds

* feedback ds

* clippy

* feedback ds

* cleanup

* use shared retry logic

* feedback ds