* golangci-lint: Enable usetesting and unused linters
* tests: Improve assertions in various test cases for clarity and accuracy
* tests: Enhance error assertions in TestExecuteStrategyFromFile for improved clarity
* tests: Update assertions for improved clarity and accuracy
* tests: Replace assert with require for task count checks
* config/versions/v7: Replace context.Background() with t.Context()
* Bithumb: Centralise and consoliate testPair, relax UpdateTickers check
with some glorious Doom Eternal music
* Bithumb: Use UpdatePairsOnce and update remaining pair string
* Bithumb: Add UpdatePairsOnce to TestUpdateTickers
* Config: v5 Split GateIO futures into CoinM and USDT
* GateIO: Split asset.Futures into CoinM and USDT
* Fix CancelBatchOrders using wrong endpoint for CoinMarginedFutures
* Fix TestGetActiveOrders expecting currency.ErrCurrencyPairsEmpty
* Config: Add config version continuity step to CI
* GateIO: Pin CoinM futures to just BTC/USD
Right now we only have a /btc endpoint available, and only BTCUSD is
available.
If GateIO offers more, we'll need to add a settlement currencies list
again
* Config: Move config versions to separate pacakges
* Config: Move version tests to blackbox texts
* Config: Protect registerVersion from overflow
* Config: Protect against version already registered
