```
- Add fuzzing helper functions ConsumeDataStream and ConsumeUInt160
- Fill fuzzing coverage gaps for functions in script/script.h,
script/script_error.h and script/standard.h
- Add fuzzing harness for functions in script/bitcoinconsensus.h
- Add fuzzing harness for functions in script/descriptor.h
- Add fuzzing harness for functions in script/interpreter.h
- Add fuzzing harness for functions in script/sigcache.h
- Add fuzzing harness for functions in script/sign.h
```
Backport of core PR18994.