* Move format upgrades to their own module and enum
* Launch a format change thread if needed, and shut it down during shutdown
* Add some TODOs and remove a redundant timer
* Regularly check for panics in the state upgrade task
* Only run example upgrade once, change version field names
* Increment database format to 25.0.2: add format change task
* Log the running and initial disk database format versions on startup
* Add initial disk and running state versions to cached state images in CI
* Fix missing imports
* Fix typo in logs workflow command
* Add a force_save_to_disk argument to the CI workflow
* Move use_internet_connection into zebrad_config()
* fastmod can_spawn_zebrad_for_rpc can_spawn_zebrad_for_test_type zebra*
* Add a spawn_zebrad_without_rpc() function
* Remove unused copy_state() test code
* Assert that upgrades and downgrades happen with the correct versions
* Add a kill_and_return_output() method for tests
* Add a test for new_state_format() versions (no upgrades or downgrades)
* Add use_internet_connection to can_spawn_zebrad_for_test_type()
* Fix workflow parameter passing
* Check that reopening a new database doesn't upgrade (or downgrade) the format
* Allow ephemeral to be set to false even if we don't have a cached state
* Add a test type that will accept any kind of state
* When re-using a directory, configure the state test config with that path
* Actually mark newly created databases with their format versions
* Wait for the state to be opened before testing the format
* Run state format tests on mainnet and testnet configs (no network access)
* run multiple reopens in tests
* Test upgrades run correctly
* Test that version downgrades work as expected (best effort)
* Add a TODO for testing partial updates
* Fix missing test arguments
* clippy if chain
* Fix typo
* another typo
* Pass a database instance to the format upgrade task
* Fix a timing issue in the tests
* Fix version matching in CI
* Use correct env var reference
* Use correct github env file
* Wait for the database to be written before killing Zebra
* Use correct workflow syntax
* Version changes aren't always upgrades
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Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>