fix(clippy): apply auto-fixable linting suggestions

server/crates/arbiter-server/src/utils.rs

@@ -1,16 +1,16 @@
-struct DeferClosure<F: FnOnce()> {
-    f: Option<F>,
-}
-
-impl<F: FnOnce()> Drop for DeferClosure<F> {
-    fn drop(&mut self) {
-        if let Some(f) = self.f.take() {
-            f();
-        }
-    }
-}
-
-// Run some code when a scope is exited, similar to Go's defer statement
-pub fn defer<F: FnOnce()>(f: F) -> impl Drop + Sized {
-    DeferClosure { f: Some(f) }
-}
+struct DeferClosure<F: FnOnce()> {
+    f: Option<F>,
+}
+
+impl<F: FnOnce()> Drop for DeferClosure<F> {
+    fn drop(&mut self) {
+        if let Some(f) = self.f.take() {
+            f();
+        }
+    }
+}
+
+// Run some code when a scope is exited, similar to Go's defer statement
+pub fn defer<F: FnOnce()>(f: F) -> impl Drop + Sized {
+    DeferClosure { f: Some(f) }
+}