build(deps): bump zerocopy from 0.7.14 to 0.7.20

Bumps [zerocopy](https://github.com/google/zerocopy) from 0.7.14 to 0.7.20.
- [Commits](google/zerocopy@v0.7.14...v0.7.20)

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

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