style: apply cargo fmt workspace-wide

Pure formatting pass from `cargo fmt --all`. No logic changes. Separating
this out so the 1.9 release feature commits that follow show only their
intentional edits.

wfe-core/src/primitives/saga_container.rs

@@ -89,7 +89,10 @@ mod tests {
         let result = step.run(&ctx).await.unwrap();
         assert!(!result.proceed);
         assert_eq!(result.branch_values, Some(vec![json!(null)]));
-        assert_eq!(result.persistence_data, Some(json!({"children_active": true})));
+        assert_eq!(
+            result.persistence_data,
+            Some(json!({"children_active": true}))
+        );
     }
 
     #[tokio::test]