Bump rand_core from 0.6.3 to 0.6.4

Bumps [rand_core](https://github.com/rust-random/rand) from 0.6.3 to 0.6.4.
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-random/rand/compare/rand_core-0.6.3...0.6.4)

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

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

Cargo.lock

@@ -1939,9 +1939,9 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
  "getrandom",
 ]

Cargo.toml

@@ -99,7 +99,7 @@ version = "1.4.0"
 version = "0.8"
 
 [dependencies.rand_core]
-version = "0.6.3"
+version = "0.6.4"
 
 [dependencies.reqwest]
 version = "0.11.11"