Add 9.9.30 & 9.9.31 x64 external entries

Add external mappings for Windows x64 versions 9.9.30-48762 and 9.9.31-49599 across appid, napi2native, and packet files. appid.json: add appid 537352525 (9.9.30-48762) and 537355779 (9.9.31-49599) with QUA strings. napi2native.json: add send/recv hashes for 9.9.30-48762-x64 (0A9B1BC / 1F0324D) and 9.9.31-49599-x64 (0AF885C / 20058E1). packet.json: add send/recv offsets for 9.9.30-48762-x64 (2F3B960 / 2F3EEE0) and 9.9.31-49599-x64 (3082C40 / 30861C8).