update msrv -> 1.57.0

Author: andrewgazelka

.github/bors.toml

@@ -2,14 +2,14 @@ block_labels = ["wip"]
 delete_merged_branches = true
 status = [
     "Rustfmt",
-    "ci (1.56.1, stm32h743)",
-    "ci (1.56.1, stm32h753)",
-    "ci (1.56.1, stm32h743v)",
-    "ci (1.56.1, stm32h753v)",
-    "ci (1.56.1, stm32h747cm7)",
-    "ci (1.56.1, stm32h7b3)",
-    "ci (1.56.1, stm32h7b0)",
-    "ci (1.56.1, stm32h735)",
+    "ci (1.57.0, stm32h743)",
+    "ci (1.57.0, stm32h753)",
+    "ci (1.57.0, stm32h743v)",
+    "ci (1.57.0, stm32h753v)",
+    "ci (1.57.0, stm32h747cm7)",
+    "ci (1.57.0, stm32h7b3)",
+    "ci (1.57.0, stm32h7b0)",
+    "ci (1.57.0, stm32h735)",
     "ci (stable, stm32h743)",
     "ci (stable, stm32h753)",
     "ci (stable, stm32h743v)",

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:                   # All permutations of {rust, mcu}
         rust:
-          - 1.56.1  # MSRV
+          - 1.57.0  # MSRV
           - stable
         mcu:
           - stm32h743

README.md

@@ -7,7 +7,7 @@ stm32h7xx-hal
 [![Bors enabled](https://bors.tech/images/badge_small.svg)](https://app.bors.tech/repositories/12691)
 [![CI](https://github.com/stm32-rs/stm32h7xx-hal/workflows/Continuous%20integration/badge.svg)](https://github.com/stm32-rs/stm32h7xx-hal/actions)
 [![Crates.io](https://img.shields.io/crates/v/stm32h7xx-hal.svg)](https://crates.io/crates/stm32h7xx-hal)
-![Minimum rustc version](https://img.shields.io/badge/rustc-1.56.1+-yellow.svg)
+![Minimum rustc version](https://img.shields.io/badge/rustc-1.57.0+-yellow.svg)
 
 [_stm32h7xx-hal_](https://github.com/stm32-rs/stm32h7xx-hal) contains
 a hardware abstraction layer on top of the peripheral access API for
@@ -111,7 +111,7 @@ programming interfaces are only available on the high density connectors.
 Minimum supported Rust version
 ------------------------------
 
-The Minimum Supported Rust Version (MSRV) at the moment is **1.56.1**. Older
+The Minimum Supported Rust Version (MSRV) at the moment is **1.57.0**. Older
 versions **may** compile, especially when some features are not used
 in your application.