Upgrade to rp-pico 0.7.0

Author: jannic

Cargo.lock

@@ -11,7 +11,7 @@ version = "0.5.0"
 # Useful Cortex-M specific functions (e.g. SysTick)
 cortex-m = "0.7"
 # The Raspberry Pi Pico HAL
-rp-pico = { version = "0.6", default-features = false, features = [ "rt", "critical-section-impl", "rom-func-cache" ] }
+rp-pico = { version = "0.7", default-features = false, features = [ "rt", "critical-section-impl", "rom-func-cache" ] }
 # Cortex-M run-time (or start-up) code
 cortex-m-rt = "0.7"
 # The BIOS to OS API