Rust: add missing use because of semantic conflict

Author: redsun82

rust/extractor/src/qltest.rs

@@ -4,6 +4,7 @@ use glob::glob;
 use itertools::Itertools;
 use std::ffi::OsStr;
 use std::fs;
+use std::path::Path;
 use std::process::Command;
 use tracing::info;