build: Bump MSRV

Author: SergioGasquez

.github/workflows/ci.yml

@@ -91,7 +91,7 @@ jobs:
       - run: cargo check -p espflash --lib --no-default-features --features serialport
 
   msrv:
-    name: Check MSRV (${{ matrix.platform.target }})
+    name: Check lib MSRV  (${{ matrix.platform.target }})
     strategy:
       fail-fast: false
       matrix:
@@ -114,7 +114,7 @@ jobs:
           target: ${{ matrix.platform.target }}
           toolchain: "1.74"
 
-      - run: cargo check
+      - run: cargo check -p espflash --lib
 
   # --------------------------------------------------------------------------
   # Test

cargo-espflash/README.md

@@ -25,7 +25,7 @@ Supports the **ESP32**, **ESP32-C2/C3/C6**, **ESP32-H2**, **ESP32-P4**, and **ES
 
 ## Installation
 
-If you are installing `cargo-espflash` from source (ie. using `cargo install`) then you must have `rustc>=1.74.0` installed on your system.
+If you are installing `cargo-espflash` from source (ie. using `cargo install`) then you must have `rustc>=1.76.0` installed on your system.
 
 If you are running **Linux** then [libudev] must also be installed; this is available via most popular package managers. If you are running **Windows** or **macOS** you can ignore this step.
 

espflash/README.md

@@ -27,7 +27,7 @@ Supports the **ESP32**, **ESP32-C2/C3/C6**, **ESP32-H2**, **ESP32-P4**, and **ES
 
 ## Installation
 
-If you are installing `espflash` from source (ie. using `cargo install`) then you must have `rustc>=1.74.0` installed on your system.
+If you are installing `espflash` from source (ie. using `cargo install`) then you must have `rustc>=1.76.0` installed on your system.
 
 If you are running **Linux** then [libudev] must also be installed; this is available via most popular package managers. If you are running **Windows** or **macOS** you can ignore this step.