build(deps): bump avsc from 5.7.0 to 5.7.1

Bumps [avsc](https://github.com/mtth/avsc) from 5.7.0 to 5.7.1.
- [Release notes](https://github.com/mtth/avsc/releases)
- [Commits](mtth/avsc@5.7.0...5.7.1)

---
updated-dependencies:
- dependency-name: avsc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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