[flake8-bandit] Support explicit string concatenations in S310 HTTP detection (#12315)

Closes https://github.com/astral-sh/ruff/issues/12314.

crates/ruff_python_ast/src/nodes.rs

@@ -1720,7 +1720,7 @@ impl StringLiteralValue {
     }
 
     /// Returns an iterator over the [`char`]s of each string literal part.
-    pub fn chars(&self) -> impl Iterator<Item = char> + '_ {
+    pub fn chars(&self) -> impl Iterator<Item = char> + Clone + '_ {
         self.iter().flat_map(|part| part.value.chars())
     }