cargo: drop or move "rand" to dev-dependencies

Cargo.lock

@@ -795,7 +795,6 @@ dependencies = [
  "pest",
  "pest_derive",
  "predicates",
- "rand",
  "regex",
  "rpassword",
  "serde",

Cargo.toml

@@ -50,7 +50,6 @@ maplit = "1.0.2"
 once_cell = "1.15.0"
 pest = "2.5.1"
 pest_derive = "2.5"
-rand = "0.8.5"
 regex = "1.7.0"
 rpassword = "7.2.0"
 serde = { version = "1.0", features = ["derive"] }

lib/Cargo.toml

@@ -33,7 +33,6 @@ once_cell = "1.16.0"
 pest = "2.5.1"
 pest_derive = "2.5.1"
 protobuf = { version = "3.0.1", features = ["with-bytes"] }
-rand = "0.8.5"
 regex = "1.7.0"
 serde_json = "1.0.91"
 tempfile = "3.3.0"
@@ -48,6 +47,7 @@ tracing = "0.1.37"
 assert_matches = "1.5.0"
 insta = "1.23.0"
 num_cpus = "1.14.0"
+rand = "0.8.5"
 test-case = "2.2.2"
 testutils = { path = "testutils" }