Bump MSRV to 1.73.

This is needed for the latest HAL crates.

Author: qwandor

.github/workflows/ci.yaml

@@ -28,7 +28,7 @@ jobs:
           # Note this needs to be new enough to build the examples as well as
           # the library itself.
           - name: MSRV
-            rust: 1.71.0
+            rust: 1.73.0
 
     name: "build (${{ matrix.name || matrix.rust }})"
 

CHANGELOG.md

@@ -17,7 +17,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Update examples to use RTIC 1.0
 - Add ADC for micro:bit V1
 - Add analog example
-- Increase minimum supported Rust version to 1.71
+- Increase minimum supported Rust version to 1.73
 - Added support for the real time counters RTC1 and RTC2
 - Add common types and structs for the edge connector pads and pins
 - Add common ADC types and initialization for ADC and SAADC

microbit-common/Cargo.toml

@@ -4,6 +4,7 @@ version = "0.13.0"
 description = "Implementation details for the BBC Micro:bit board support crates"
 edition = "2018"
 readme = "../README.md"
+rust-version = "1.73.0"
 
 repository = "https://github.com/nrf-rs/microbit"
 authors = [