Bump getrandom from 0.3.3 to 0.3.4

Bumps [getrandom](https://github.com/rust-random/getrandom) from 0.3.3 to 0.3.4.
- [Release notes](https://github.com/rust-random/getrandom/releases)
- [Changelog](https://github.com/rust-random/getrandom/blob/master/CHANGELOG.md)
- [Commits](rust-random/getrandom@v0.3.3...v0.3.4)

---
updated-dependencies:
- dependency-name: getrandom
  dependency-version: 0.3.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]