fix(deps): update rust crate rand to 0.9.0

Author: renovate[bot]

Cargo.lock

@@ -15,7 +15,7 @@ path = "src/bot.rs"
 [dependencies]
 getopts = "0.2.21"
 libc = "0.2.162"
-rand = "0.8.5"
+rand = "0.9.0"
 regex = "1.11.1"
 time = { version = "0.3.36", features = ["local-offset", "formatting", "macros"] }
 toml = "0.8.19"