[Dependabot]: Bump neorv32 from 0a0afa1 to fa20793

Bumps [neorv32](https://github.com/stnolting/neorv32) from `0a0afa1` to `fa20793`.
- [Release notes](https://github.com/stnolting/neorv32/releases)
- [Commits](stnolting/neorv32@0a0afa1...fa20793)

---
updated-dependencies:
- dependency-name: neorv32
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>