build(deps): bump cryptg from 0.2.post4 to 0.3.1

Bumps [cryptg](https://github.com/cher-nov/cryptg) from 0.2.post4 to 0.3.1.
- [Release notes](https://github.com/cher-nov/cryptg/releases)
- [Commits](cher-nov/cryptg@0.2.post4...v0.3.1)

---
updated-dependencies:
- dependency-name: cryptg
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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