changelog: fix tests for rust2024

src/changelog.rs

@@ -358,14 +358,18 @@ mod tests {
     #[test]
     fn test_get_maintainer_info() {
         // Test with env vars
-        std::env::set_var("DEBFULLNAME", "Env Name");
-        std::env::set_var("DEBEMAIL", "env@example.com");
-        
+        unsafe {
+            std::env::set_var("DEBFULLNAME", "Env Name");
+            std::env::set_var("DEBEMAIL", "env@example.com");
+        }
+
         let (name, email) = get_maintainer_info().unwrap();
         assert_eq!(name, "Env Name");
         assert_eq!(email, "env@example.com");
         
-        std::env::remove_var("DEBFULLNAME");
-        std::env::remove_var("DEBEMAIL");
+        unsafe {
+            std::env::remove_var("DEBFULLNAME");
+            std::env::remove_var("DEBEMAIL");
+        }
     }
 }