This effort reduces the size of replays by a factor 2 to 10 depending on
the park complexity. ZLIB is used as the compression backend.
- The replay file version is bumped to 2.
- An `sv6r` file still starts with a magic number and a version.
- If version = 1, the file stream is consumed by the ReplayRecordData
serializer.
- If version > 1, the file stream is decompressed and the resulting
stream is consumed by the ReplayRecordData serializer.
- Introduced `Compatible` that indicates whether a file with a version
mismatch is compatible. E.g.: v1 is compatible with this `ReplayManager`