* Add silabs_multiprotocol platform
* Add new files
* Add ZHA tests
* Prevent ZHA from creating database during tests
* Add delay parameter to async_change_channel
* Add the updated dataset to the dataset store
* Allow MultipanProtocol.async_change_channel to return a task
* Notify user about the duration of migration
* Update tests
* Raise repair issue if OTBR and ZHA are on different channels
* Update issues after creating or setting dataset
* Explain impact
* Add link to documentation, adjust language
* Update homeassistant/components/otbr/strings.json
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Co-authored-by: Paulus Schoutsen <balloob@gmail.com>