Update from https://github.com/corona-warn-app/cwa-protocol-buffers/commit/a84484b6b795bff6a577eef755a04854334602e8

Update from https://github.com/corona-warn-app/cwa-protocol-buffers/commit/0887eda2dcfa818843e7c93a4544495c67b24ba3 (#2227)