Bump getrandom from 0.3.4 to 0.4.1

Bumps [getrandom](https://github.com/rust-random/getrandom) from 0.3.4 to 0.4.1.
- [Changelog](https://github.com/rust-random/getrandom/blob/master/CHANGELOG.md)
- [Commits](rust-random/getrandom@v0.3.4...v0.4.1)

---
updated-dependencies:
- dependency-name: getrandom
  dependency-version: 0.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -42,7 +42,7 @@
     "io-util",
   ] }
   hex = "0.4"
-  getrandom = { version = "0.3", features = ["std"] }
+  getrandom = { version = "0.4", features = ["std"] }
   signal-hook = "0.4"
   signal-hook-tokio = { version = "0.4", features = ["futures-v0_3"] }
   futures = "0.3"