Update for va108xx

- New `va108xx-embassy` crate.
- Embassy library uses new crate
- Updated all dependencies

va108xx-hal

- Refactored and simplified PWM driver
- Added new raw getter API for TIM peripheral blocks

bootloader/Cargo.toml

@@ -7,9 +7,9 @@ edition = "2021"
 cortex-m = "0.7"
 cortex-m-rt = "0.7"
 embedded-hal = "1"
-panic-rtt-target = { version = "0.1.3" }
-panic-halt = { version = "0.2" }
-rtt-target = { version = "0.5" }
+panic-rtt-target = "0.2"
+panic-halt = "1"
+rtt-target = "0.6"
 crc = "3"
 num_enum = { version = "0.7", default-features = false }
 static_assertions = "1"