Merge pull request 'Update Rust crate rand to 0.9.0' (#287) from renovate/rand-0.x into master

Reviewed-on: #287

virtweb_backend/Cargo.toml

@@ -35,7 +35,7 @@ uuid = { version = "1.11.0", features = ["v4", "serde"] }
 lazy-regex = "3.3.0"
 thiserror = "2.0.0"
 image = "0.25.4"
-rand = "0.8.5"
+rand = "0.9.0"
 bytes = "1.8.0"
 tokio = "1.41.1"
 futures = "0.3.31"

virtweb_backend/src/utils/rand_utils.rs

@@ -1,12 +1,6 @@
-use rand::distributions::Alphanumeric;
-use rand::Rng;
+use rand::distr::{Alphanumeric, SampleString};
 
 /// Generate a random string
 pub fn rand_str(len: usize) -> String {
-    let s: String = rand::thread_rng()
-        .sample_iter(&Alphanumeric)
-        .take(len)
-        .map(char::from)
-        .collect();
-    s
+    Alphanumeric.sample_string(&mut rand::rng(), len)
 }