* Refactor the ExtensionRepoService to use DTOs
Slightly refactored the `ExtensionRepoService` so it uses a DTO with
`parseAs` to avoid parsing the JSON response by hand.
The default Json instance Injekt provides here has
`ignoreUnknownKeys` enabled, so the `ExtensionRepoMetaDto` only
specifies the meta key of the response content.
The extension function `toExtensionRepo` allows for mapping the new
DTO to the `domain` `ExtensionRepo` data class.
* Implement feedback
- Removed SerialName of the ExtensionRepoMetaDto property and renamed
it `meta`, same as the incoming attribute.
- Added a more general catch clause that also logs the occurring
Exception
Detekt likes to complain about TooGenericExceptionCaught, hence the
Suppress annotation on the function.
(cherry picked from commit 8c437ceecf3c5d8d944a70439d3549e21d751736)