* pkg derive: wrap errors by severity

* pkg derive: wrap errors by severity

* pkg derive: fix call with 2 return values

* ci: fix golangci-lint warnings

* ci: fix attributes test

* pkg derive: update tests, restore err types

* driver: update to use err severity from derive

* op-node: fix retry callers

* pkg derive: reimplement the custom error type

* pkg derive: error - nits

* pkg driver: update Step in event loop to backoff

* pkg derive: match epoch hash with l1 block hash

* pkg driver: handle backoff error

* pkg driver: handle temporary errs with backoff

also include additional if / else statements to log errors

* op-node: req next step, with backoff, without blocking other events

* pkg derive: update error types

* pkg derive: typo
Co-authored-by: protolambda <proto@protolambda.com>