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/mod.rs

@@ -45,7 +45,7 @@ mod test_helpers {
             workflow,
             cancellation_token: CancellationToken::new(),
             host_context: None,
-                log_sink: None,
+            log_sink: None,
         }
     }