* Add CentOS parsing and post-processing in fleet
* Add tests and amend SyncCPEDatabase
* Add test for centosPostProcessing
* Changes from PR comments
* Amend software test
* Fix sync test
* Add index to source and vendor
* Use os.MkdirTemp
* Rearrange migrations
* Regenerate test schema
* Add support for testing migrations (#4112)
* Add support for testing migrations
* Rename migration in tests
* Changes suggested in PR
* Go mod tidy