Bump rand from 0.8.5 to 0.8.6 in /contracts (#6702)

Bumps [rand](https://github.com/rust-random/rand) from 0.8.5 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/0.8.5...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.toml

@@ -326,7 +326,7 @@ pnet_packet = "0.35.0"
 publicsuffix = "2.3.0"
 proc_pidinfo = "0.1.3"
 quote = "1"
-rand = "0.8.5"
+rand = "0.8.6"
 rand09 = { package = "rand", version = "=0.9.2" }
 rand_chacha = "0.3"
 rand_chacha09 = { package = "rand_chacha", version = "=0.9.0" }

contracts/Cargo.lock

@@ -1589,9 +1589,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.5"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+checksum = "5ca0ecfa931c29007047d1bc58e623ab12e5590e8c7cc53200d5202b69266d8a"
 dependencies = [
  "libc",
  "rand_chacha",

contracts/Cargo.toml

@@ -50,7 +50,7 @@ cw3-fixed-multisig = "=2.0.0"
 cw4 = "=2.0.0"
 cw20 = "=2.0.0"
 cw20-base = "2.0.0"
-rand = "0.8.5"
+rand = "0.8.6"
 rand_chacha = "0.3.1"
 semver = "1.0.21"
 serde = "1.0.196"