Merge config subentry feature branch to dev (#136121)

* Reapply "Add support for subentries to config entries" (#133470) (#136061)

* Reapply "Add support for subentries to config entries" (#133470)

This reverts commit ecb3bf79.

* Update test snapshot

* Add config subentry support to device registry (#128157)

* Add config subentry support to device registry

* Apply suggestions from code review

* Update syrupy serializer

* Update snapshots

* Address review comments

* Allow a device to be connected to no or a single subentry of a config entry

* Update snapshots

* Revert "Allow a device to be connected to no or a single subentry of a config entry"

This reverts commit ec6f6131.

* Update test snapshots

* Bump release version in comments

* Rename config_subentries to config_entries_subentries

* Add config subentry support to entity registry (#128155)

* Add config subentry support to entity registry

* Update syrupy serializer

* Update snapshots

* Update snapshots

* Accept suggested changes

* Clean registries when removing subentry (#136671)

* Clean up registries when removing subentry

* Update tests

* Clean up subentries from deleted devices when removing config entry (#136669)

* Clean up subentries from deleted devices when removing config entry

* Move

* Add config subentry support to entity platform (#128161)

* Add config subentry support to entity platform

* Rename subentry_id to config_subentry_id

* Store subentry type in subentry (#136687)

* Add reconfigure support to config subentries (#133353)

* Add reconfigure support to config subentries

* Update test

* Minor adjustment

* Rename supported_subentry_flows to supported_subentry_types

* Address review comments

* Add subentry support to kitchen sink (#136755)

* Add subentry support to kitchen sink

* Add subentry reconfigure support to kitchen_sink

* Update kitchen_sink tests with subentry type stored in config entry

* Update kitchen_sink

* Update kitchen_sink

* Adjust kitchen sink tests

* Fix hassfest

* Apply suggestions from code review

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Improve docstrings and strings.json

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Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

* Update snapshots

* Update snapshots

* Update snapshots

* Update snapshots

* Update snapshots

* Update snapshots

* Update snapshots

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Co-authored-by: Martin Hjelmare <marhje52@gmail.com>