CWA Technical User authored 4 years ago

* Update from https://github.com/corona-warn-app/cwa-protocol-buffers/commit/30e2277c8d988d275bbb5c84dbcabab6044f67c2

* Update from https://github.com/corona-warn-app/cwa-protocol-buffers/commit/9b27a6aa6b616b3fcdc5bc531d8d6f1f83fc01d8

* Update from https://github.com/corona-warn-app/cwa-protocol-buffers/commit/611d75dcae6e72f4c0067d78e52b3eac50eafc40