eth/tracers: revert reason in call_tracer + error for failed internal calls (ethereum#21387)

* tests: add testdata of call tracer

* eth/tracers: return revert reason in call_tracer

* eth/tracers: regenerate assets

* eth/tracers: add error message even if no exec occurrs, fixes ethereum#21438

Co-authored-by: Martin Holst Swende <martin@swende.se>

Author: 2 people