Meilisearch requires a dump/restore process when upgrading between
incompatible versions (different major.minor). The previous update
logic simply replaced the binary, causing database corruption.
This fix:
- Detects version changes that require migration
- Creates a data dump before upgrading
- Removes old incompatible data after binary update
- Imports the dump to restore data in new format
- Falls back to --import-dump CLI flag for older API versions
- Adds proper error handling and timeouts
Fixes#11349
49aa898edd