Add switch platform to UptimeRobot (#65394)
* Add switch platfor mto UptimeRobot
* Add tests
* Apply review comment
* review comments part 2
* review comments part 3
* Fix tests after swapping logic on/off
* Fix reauth test
* Check for read-only key
* Fix reauth for switch platform
* mypy
* cleanup
* cleanup part 2
* Fixes + review comments
* Tests
* Apply more review comments
* Required changes
* fix test
* Remove if
* 100% tests coverage
* Check readonly key in config_flow
* Fix strings & translation
* Add guard for 'monitor' keys
* allign tests
* Wrong API key message reworded