Bump rand from 0.8.2 to 0.8.6

Bumps [rand](https://github.com/rust-random/rand) from 0.8.2 to 0.8.6.
- [Release notes](https://github.com/rust-random/rand/releases)
- [Changelog](https://github.com/rust-random/rand/blob/0.8.6/CHANGELOG.md)
- [Commits](https://github.com/rust-random/rand/compare/0.8.2...0.8.6)

---
updated-dependencies:
- dependency-name: rand
  dependency-version: 0.8.6
  dependency-type: direct:production
...

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

Cargo.lock

@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "arrayref"
@@ -184,14 +184,13 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.2"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18519b42a40024d661e1714153e9ad0c3de27cd495760ceb09710920f1098b1e"
+checksum = "5ca0ecfa931c29007047d1bc58e623ab12e5590e8c7cc53200d5202b69266d8a"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -213,15 +212,6 @@ dependencies = [
  "getrandom 0.2.2",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
-dependencies = [
- "rand_core",
-]
-
 [[package]]
 name = "redox_syscall"
 version = "0.1.57"

Cargo.toml

@@ -10,6 +10,6 @@ edition = "2018"
 ncurses = "5.100.0"
 serde = { version = "1.0.121", features = ["derive"] }
 serde_yaml = "0.8.17"
-rand = "0.8.0"
+rand = "0.8.6"
 dirs = "3.0.1"
 derive-error = "0.0.5"