Bump deps/lexy-vdf from 3a8b883 to acd7151

Bumps [deps/lexy-vdf](https://github.com/OpenVicProject/lexy-vdf) from `3a8b883` to `acd7151`.
- [Commits](OpenVicProject/lexy-vdf@3a8b883...acd7151)

---
updated-dependencies:
- dependency-name: deps/lexy-vdf
  dependency-version: acd7151a381f8c2fea2c65672016b40b65830fdd
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]