Fix stray quote in main.cpp and scheduler time overflow

- Remove trailing " from AUTO GENERATED INCLUDE BLOCK END comment
- Reset scheduler `now` at start of each outer iteration to avoid
  unbounded growth toward UINT32_MAX across benchmark iterations

tests/benchmarks/components/main.cpp

@@ -10,7 +10,7 @@ It replaces the default ESPHome main with a benchmark runner.
 
 // Auto generated code by esphome
 // ========== AUTO GENERATED INCLUDE BLOCK BEGIN ===========
-// ========== AUTO GENERATED INCLUDE BLOCK END ==========="
+// ========== AUTO GENERATED INCLUDE BLOCK END ===========
 
 void original_setup() {
   // Code-generated App initialization (pre_setup, area/device registration, etc.)

tests/benchmarks/core/bench_scheduler.cpp

@@ -72,10 +72,9 @@ static void Scheduler_Call_5IntervalsFiring(benchmark::State &state) {
   }
   scheduler.process_to_add();
 
-  // Start at a known time so intervals are immediately due
-  uint32_t now = millis() + 100;
-
   for (auto _ : state) {
+    // Reset each outer iteration to avoid unbounded growth toward UINT32_MAX
+    uint32_t now = 100;
     for (int i = 0; i < kInnerIterations; i++) {
       scheduler.call(now);
       // Advance time by 1ms so intervals are due again next call