Use make_static! from static-cell v1.1

examples/rp/src/bin/multicore.rs

@@ -4,13 +4,13 @@
 
 use defmt::*;
 use embassy_executor::Executor;
-use embassy_executor::_export::StaticCell;
 use embassy_rp::gpio::{Level, Output};
 use embassy_rp::multicore::{spawn_core1, Stack};
 use embassy_rp::peripherals::PIN_25;
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_sync::channel::Channel;
 use embassy_time::{Duration, Timer};
+use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
 static mut CORE1_STACK: Stack<4096> = Stack::new();