Revert "examples: switch one of the examples to runSync"

This reverts commit ccf5cf9.

Author: GuillaumeLagrange

examples/with-typescript-esm/bench/tinybench/index.bench.ts

@@ -5,10 +5,10 @@ import { registerFoobarbazBenchmarks } from "./foobarbaz.bench";
 
 export const bench = withCodSpeed(new Bench());
 
-(() => {
+(async () => {
   registerFiboBenchmarks(bench);
   registerFoobarbazBenchmarks(bench);
 
-  bench.runSync();
+  await bench.run();
   console.table(bench.table());
 })();

packages/tinybench-plugin/benches/sample.ts

@@ -34,7 +34,7 @@ bench
     parsePr({ body: LONG_BODY, title: "test", number: 124 });
   });
 
-(() => {
+(async () => {
   bench.runSync();
   console.table(bench.table());