Replace Arc with Rc in ledc_threads example (#514)

* Update ledc_threads.rs

* Update CHANGELOG.md

* Update CHANGELOG.md

---------

Co-authored-by: ivmarkov <[email protected]>

Author: lonesometraveler

CHANGELOG.md

@@ -17,6 +17,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 - Fix the SDMMC driver for ESP-IDF V5.5+
+- Replace Arc with Rc in ledc_threads example (#514)
 - Fix outdated task docs
 
 ## [0.45.2] - 2025-01-15

examples/ledc_threads.rs

@@ -1,4 +1,5 @@
-use std::{sync::Arc, time::Duration};
+use std::rc::Rc;
+use std::time::Duration;
 
 use embedded_hal_0_2::PwmPin;
 
@@ -15,7 +16,7 @@ fn main() -> anyhow::Result<()> {
 
     let peripherals = Peripherals::take()?;
     let config = config::TimerConfig::new().frequency(25.kHz().into());
-    let timer = Arc::new(LedcTimerDriver::new(peripherals.ledc.timer0, &config)?);
+    let timer = Rc::new(LedcTimerDriver::new(peripherals.ledc.timer0, &config)?);
     let channel0 = LedcDriver::new(
         peripherals.ledc.channel0,
         timer.clone(),